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【判断题】
食品在冻结时,冻结速度越快,生成的冰晶越大,解冻后汁液流失越多。
A.
正确
B.
错误
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【简答题】Not many years ago, some farmers were worried because hawks were taking many of their chicken. The farmers didn’t know what to do. Finally they went to the country officials and asked for help. “Kill ...
【单选题】________ for a long time, the fields are all dried up and the farmers are worried about this year’s crops.
A.
There having been no rain
B.
There been no rain
C.
There having no rain
D.
There being no rain
【判断题】若棱镜位于非平行光路中,则要求光轴与两折射面垂直,否则,展开的平行平板玻璃将不垂直于光轴。
A.
正确
B.
错误
【单选题】(扬州期木)The farmers were worried about the coming flood, because theyjust ___the seeds.
A.
have; sowed
B.
had; sowed
C.
had; been sowing
D.
would; sow
【单选题】复制命令的快捷组合键是()
A.
ctrl+x
B.
ctrl+c
C.
ctrl+v
D.
ctrl+a
【单选题】真核生物DNA复制中填补冈崎片段间空隙的酶是( )。
A.
polⅠ
B.
polα
C.
po1β
D.
polγ
E.
p01δ
【单选题】The farmers worried about the lack of rain.
A.
shortage
B.
drift
C.
woe
D.
burden
【单选题】《重返前线》是朝鲜红色经典电影中()类型的战争片。
A.
侦探
B.
反映少年英雄
C.
直接描写战争
D.
反映百姓支援前线
【单选题】参与真核DNA复制引发过程的酶是( )。
A.
DNA-polδ
B.
DNA-polα
C.
DNA-polγ
D.
DNA-polⅠ
E.
DNA-polⅢ
【单选题】The American farmers worried that______.
A.
their horses would be replaced by the 'iron horse'
B.
there would be no market for their crops
C.
there would be no market for their livestock
D.
they would benefit less from railroads than from waterways
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