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下列关于对比剂的说法哪个是正确的（） Which of the following statements about contrast medium is true（）
A.对比剂的作用是形成浓黑的胶片影像 The role of contrast agent is to form a thick black film image#B.对比剂的作用是形成淡白的胶片影像 The role of contrast agent is to form a light white film image#C.对比剂可以增大待检查组织周围器官的密度差 Contrast agent can increase the density difference of organs around the tissue to be examined#D.对比剂不影响待检查部位与周围器官的密度差 Contrast agent do not affect the density difference between the part to be examined and the surrounding organs参考答案和解析
对比剂可以增大待检查组织周围器官的密度差
更多 “下列关于对比剂的说法哪个是正确的（） Which of the following statements about contrast medium is true（）A.对比剂的作用是形成浓黑的胶片影像 The role of contrast agent is to form a thick black film image#B.对比剂的作用是形成淡白的胶片影像 The role of contrast agent is to form a light white film image#C.对比剂可以增大待检查组织周围器官的密度差 Contrast agent can increase the density difference of organs around the tissue to be examined#D.对比剂不影响待检查部位与周围器官的密度差 Contrast agent do not affect the density difference between the part to be examined and the surrounding organs” 相关考题
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Which of the following statements is NOT true about vagina? ()
A、It is a small sensory organ, which is located toward the front of the vulva where the folds of the labia joinB、It is a female’s external reproductive organC、It is a muscular, hollow tube that extends from the vaginal opening to the uterusD、It is shaped like an upside-down pear, with a thick lining and muscular walls
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Which of the following statements about the cost of quality are true?A . the cost of quality is the expense of nonconformance to requirements and specifications.B . the cost of quality are mostly the direct responsibility of workers who are manufacturing the product.C . quality control programs should be implemented when the cost of quality are deemed affordable by management.D . A and B.E . A and C
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Which of the following statements about Leopold and Rudolph Blaschka is TRUE?A. They were brothers.B. They were artists.C. They were florists.D. They were farmers.
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Which of the following statements about the elevator pitch are true?A.It must grab the audience’s attention.B.It is a well-structured concise speech.C.It starts with some common concerns and ends up with an interesting hook.D.It should arouse the listener’s further actions that the speaker wants.
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Which of the following statements about testing software with data is (are) true?Ⅰ.The primary purpose of such testing is to find errors.Ⅱ.Such testing can demonstrate the existence of errors but cannot demonstrate the absence of errors.A．NeitherB．I onlyC．ⅡonlyD．Ⅰand Ⅱ
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Which of the following statements about the warm-blooded mammals is true according to the text?A. They can change their environments.B. They can adjust body heat to keep their ideal temperature.C. They can make food from chemicals.D. They get most of their heat from the environment.
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Which of the following statements are true of collectivist culture?
A、Disclosure of private feeling is distasteful.B、People are suspicious of outsiders.C、Uniformity is not highly thought of.D、there is a positive attitude about words of disagreement.
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which of the following statements is not true about the british media?A. They are mainly interested in making huge profits by publishing advertisements.B. They supply people with news，keeping them informed of what is happening in the world.C. They help shape British culture.D. They provide entertainment.
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Which of the following statements about The Scarlet Letter is NOT true?
A.It explores man's never-ending search for the satisfaction of materialistic desires.B.It relates the conflicts between the society and the individual.C.It is about the effect of sin on the people involved and the society as a whole.D.It presents a p
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Which of following statements about testing software with data is (are) true?Ⅰ.The primary purpose of such testing is to find errors.Ⅱ.Such testing can demonstrate the existence of errors but can not demonstrate the absence of errors.A．NeitherB．Ⅰ onlyC．Ⅱ onlyD．Ⅰ and Ⅱ
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Which of the following statements about language is NOT true?A.Language is a system
B.Language is symbol
C.Animals also have language
D.Language is arbitrary
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Which of the following statements about California is NOT TRUE？( ) A.California is a sexually liberated state.
B.California has a high abortion rate.
C.About 40% of the pregnant teenagers chose to have an abortion.
D.A recent poll showed that less than half of the respondents supported the amendment.
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Which of the following statements is TRUE about the primary system dump device?（）A、 It is shared. B、 It must be /dev/hd6. C、 It must be an internal disk. D、 It can be an external device.
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Which of the following statements is true about a router's eBGP peers that is not also true about that same router's iBGP peers?（）A、The eBGP peer neighborship uses TCPB、The eBGP peer uses port 180 (default)C、The eBGP peer uses the same ASN as the local routerD、The eBGP peer updates its AS_Path PA before sending updates to this router
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Which ONE of the following statements about Domino Enterprise server is true？（）A、Can host Active Server Pages Web sitesB、Can host PHP Web sitesC、Includes a DB2 serverD、Includes an integrated Web application server
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Krstin has created a page in the videos application .which one of the following statements about pages is not true ?（）A、pages are design elementsB、Pages can be full-text indexed C、pages can be referenced by outlines or frames D、pages can include text,graphics ,applets,and links
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多选题If p and q are primes greater than 2, which of the following statements must be true? (Indicate all such statements.)Ap + q is evenBpq is oddCp2-q2 is even
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多选题Concerning the figure below, if a =b, which of the following statements must be true? (Indicate all such statements.)Ac=dBl and k are parallelCm and l are perpendicular
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多选题Which of the following statements are true? (Indicate all such statements.)Aτ(5) =τ(7)Bτ(5) τ(7) =τ(35)Cτ(5) + τ(7) =τ(12)
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单选题Which of the following statements about the golf club is NOT true?A
It’s at the top of the cliff.B
They were not allowed to be in the club.C
They parked the car near the club.
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单选题Which of the following statements is NOT true about the postal service?A
American abortionists were not happy about it.B
The stamp was invented in Britain.C
It helped the independence of America.D
In the 1840s it was the major means of national communications in Britain.
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单选题Which of the following statements is true about a router's eBGP peers that is not also true about that same router's iBGP peers?（）A
The eBGP peer neighborship uses TCPB
The eBGP peer uses port 180 (default)C
The eBGP peer uses the same ASN as the local routerD
The eBGP peer updates its AS_Path PA before sending updates to this router
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多选题Which of the following statements about variables and scope are true？（）ALocal variables defined inside a method are destroyed when the method is exited.BLocal variables are also called automatic variables.CVariables defined outside a method are created when the object is constructed.DA method parameter variable continues to exist for as long as the object is needed in which the method is defined.
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单选题According to the passage, which of the following statements about the cell phone service at Yellowstone is TRUE?A
It is limited to certain areas in the park.B
It is available everywhere in the park.C
It is not available in the park.D
It is available to visitors at a fee.
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多选题Which three statements about subqueries are true? （）AAsinglerowsubquerycanretrieveonlyonecolumnandonerow.BAsinglerowsubquerycanretrieveonlyonerowbutmanycolumns.CAmultiplerowsubquerycanretrievemultiplerowsandmultiplecolumns.DAmultiplerowsubquerycanbecomparedusingthe；；；operator.EAsinglerowsubquerycanusetheINoperator.FAmultiplerowsubquerycanusethe；=；operator.
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单选题Which of the following statements is true?A
Scientists have solved the mystery about the fish killer.B
More studies need to be made about the fish killer.C
It is proved that the algae are reducing fish populations.D
Humans have already been affected by the toxin.
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单选题Which of the following statements is NOT true about mass communication?A
It can reach no further than human voice.B
It can reach a large audience.C
It is rapid and efficient.D
It can be trusted.
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单选题Which of the following statements about teachers' instructions is NOT true?A
Instructions should be simple and clear.B
Instructions can be long and complicated for students to follow.C
Teachers can use body language to assist students to understand.D
Instructions should be kept to a minimum during activities.
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