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双胎输血综合征(twin to twin transfusion syndrome，TTTS)：发生在______羊膜囊______绒毛膜______卵双胎，两胎儿体重相差≥______％，血红蛋白相差＞______g／L，提示TTTS。
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更多 “双胎输血综合征(twin to twin transfusion syndrome，TTTS)：发生在______羊膜囊______绒毛膜______卵双胎，两胎儿体重相差≥______％，血红蛋白相差＞______g／L，提示TTTS。” 相关考题
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Henry is very talkative, while his twin brother is a man of () words.
A.fewB.a fewC.littleD.a little
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7． The twin sisters usually leave __________home __________ school very early．A．to，forB．for，toC．from，toD．/，for
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When turning a ship in restricted space with a strong wind，it is normally best to ______．A.Go ahead on both engines with the rudder hard to one side，if on a twin-screw vesselB.Back down with the rudder hard to one side，if on a single-screw vesselC.Take advantage of the tendency to back to port，if on a twin-screw vesselD.Turn so that the tendency to back into the wind can be used，if on a single-screw vessel
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Which of the following statement（s）is/are FALSE regarding a twin pedestal crane set ________．A.The cranes may be operated independentlyB.The cranes may be interconnected for twin operationC.The cranes are powered by independent internal combustion power unitsD.All of the above
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A twin-screw ship going ahead on the starboard screw only tends to move ______.A.in a straight lineB.to portC.from side to sideD.to starboard
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根据所配置床的种类的不同，双床间可分为（）A、Twin RoomB、Hollywood Twin RoomC、Double-Double RoomD、Double-Single Room
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单选题A twin-screw ship going ahead on the starboard screw only tends to move（）.A
in a straight lineB
to portC
from side to sideD
to starboard
考题
单选题A twin-screw vessel is easier to maneuver than a single-screw vessel because the twin-screw vessel（）.A
permits the rudder to move fasterB
generates more powerC
can turn without using her rudderD
can suck the water away from the rudder
考题
单选题Which of the following statement（s）is/are TRUE regarding a twin pedestal crane set（）.A
The cranes may be operated independentlyB
The cranes may be interconnected for twin operationC
When twinned，the crane rotation on the foundation assembly is unlimitedD
All of the above
考题
填空题双胎输血综合征(twin to twin transfusion syndrome，TTTS)：发生在______羊膜囊______绒毛膜______卵双胎，两胎儿体重相差≥______％，血红蛋白相差＞______g／L，提示TTTS。
考题
单选题Which of the following statement（s）is/are FALSE regarding a twin pedestal crane set （）.A
The cranes may be operated independentlyB
The cranes may be interconnected for twin operationC
The cranes are powered by independent internal combustion power unitsD
All of the above
考题
单选题According to the information given in the passage, if two20-year-old twins lived on earth, and one of them left on a journey for Alpha Centauri at very close to the speed of light, then managed to survive the journey and return to earth having aged 40 years during the journey, what could she expect to find upon her return to earth?A
Her great-grandmotherB
Her twin at the age of 20C
Her twin at the age of 40D
Her twin at the age of 60E
Her twin’s great-grandchildren
考题
单选题When turning a ship in restricted space with a strong wind，it is normally best to（）.A
Go ahead on both engines with the rudder hard to one side，if on a twin-screw vesselB
Back down with the rudder hard to one side，if on a single-screw vesselC
Take advantage of the tendency to back to port，if on a twin-screw vesselD
Turn so that the tendency to back into the wind can be used，if on a single-screw vessel
考题
单选题On a twin-screw，twin-rudder vessel，the most effective way to turn in your own water，with no way on，is to put（）.A
one engine ahead and one engine astern，with full rudderB
one engine ahead and one engine astern，with rudders amidshipsC
both engines ahead，with full rudderD
both engines astern，with full rudder
考题
名词解释题双胎输血综合征
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