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全锈型(eu-form rust)
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刮刀用来铲去起泡的油漆和锈皮。()A、Loose paint and scale is removed with a scraper.B、Heavy rust is removed with a scraper.C、Loose paint and scale is removed with a chipping hammer.D、Heavy rust is removed with a chipping hammer.
考题
底漆用于出白金属表面, 防止其生锈。()A、Topside paint is applied to a bare surface to give protective against rust.B、Undercoat is applied to a bare surface to give protection against rust.C、Primer coat is applied to a bare surface to give protection against rust.D、Topcoat is applied to a bare surface to give protection against rust.
考题
Primer coats are applied to a bare metal surface to ()protection against rust.A、letB、giveC、preventD、take
考题
We use the chipping hammer to chip the heavy rust.()A、我们使用敲锈锤敲去厚锈。B、我们使用刮刀刮去厚锈。C、我们使用刮刀刮去松动的油漆。D、我们使用敲锈锤敲去松动的斑点。
考题
小麦高秆(D)对矮秆(d)为显性,抗锈病(R)对感锈病(r)为显性,现以高秆抗锈×矮秆感锈,杂交子代分离出15株高秆抗锈,17株高秆感锈,14株矮秆抗锈,16株矮秆感锈,可知其亲本基因型为()。A、Ddrr×ddRrB、DdRR×ddrrC、DdRr×ddrrD、DDRr×ddrr
考题
小麦高秆(D)对矮秆(d)为显性,抗锈病(R)对感锈病(r)为显性,现以高秆抗锈×矮秆感锈,杂交子代分离出15株高秆抗锈,17株高秆感锈,14株矮秆抗锈,16株矮秆感锈,可知其杂交亲本基因型为()。A、Ddrr×ddRrB、DdRR×ddrrC、DdRr×ddrrD、DDRr×ddrr
考题
单选题用敲锈锤敲去厚锈。()A
Heavy rust is removed with a chipping hammer.B
Loose paint and scale is removed with a scraper.C
Heavy rust is removed with a scraper.D
Loose paint and scale are removed with a chipping hammer.
考题
单选题We can remove the heavy rust on the plate with a ()(敲锈锤).A
scraperB
hammerC
chipping hammerD
lining brush
考题
单选题The chassis of 15 trucks are rust-stained,particularly()near the mast house.A
suchB
thisC
theseD
those
考题
单选题We use the chipping hammer to chip the heavy rust.()A
我们使用敲锈锤敲去厚锈。B
我们使用刮刀刮去厚锈。C
我们使用刮刀刮去松动的油漆。D
我们使用敲锈锤敲去松动的斑点。
考题
填空题锈菌的寄生性为(),全型锈菌完成其生活史时具有()现象,能产生性孢子,夏孢子,冬孢子,担孢子,锈孢子等5种孢子。
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