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【单选题】
森林的不利影响为选项（ ）。A.
借助风力促进种子天然传播
B.
传粉
C.
大风影响树木的结实
D.
促进树木的蒸腾
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皮皮学刷刷变学霸
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【简答题】选择方框中的句子完成对话 A: Michael, you look pale. __ 1 __ B: I have a headache and a cough. A: __ 2 __ How long have you been like this? B: __ 3 __ A: Maybe you have a cold. __ 4 __ B: I think I will. A: __ 5 _...
【单选题】— You look pale. What are you afraid of? — ______. [ ]
A.
To pass the dog
B.
The dog standing there
C.
Pass the dog
D.
The dog is standing there
【单选题】Mickey: You look a little pale. Are you OK? Nancy: _______, I feel terrible.
A.
To speak out
B.
To begin with
C.
To tell you the truth
D.
To sum up
【单选题】Beth: You look a little pale. Are you OK? Jerry: ______, I feel terrible.
A.
To speak out
B.
To begin with
C.
To sum up
D.
To tell you the truth
【简答题】以下程序段的输出结果是int x= 3;do { pritnf(“%3d”, x-=2);} while (!(--x));A. 死循环 B. 1 -2 C. 3 0 D. 1
【单选题】画移出断面图时,当剖切面通过非圆孔,会出现完全分离的剖面区域时,则________。
A.
这些结构应按剖视要求绘制
B.
不能再画成断面图，应完全按剖视绘制
C.
仅画出该剖切面与机件接触部分的图形
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