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【单选题】
脱落酸能促进种子的休眠和果实的脱落，但在高温条件下会分解。小麦在即将成熟时，如果经历持续一段时间的干热后，遇大雨，种子就容易在穗上发芽。因为脱落酸（）A.
能抑制小麦种子的发育和脱落
B.
在高温下降解后对发芽的抑制被解除
C.
在调节果实成熟方面与乙烯有拮抗作用
D.
对种子的发芽和成熟起协同作用
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举一反三
【单选题】I feel uncomfortable each time I remember the situation _____ Mary didn’t agree with me _____ t
A.
126. I feel uncomfortable each time I remember the situation _____ Mary didn’t agree with me _____ the matter. A．that; at
B.
in which; over
C.
which; about
D.
where; to
【单选题】Let me take your telephone number -----I can call you later.
A.
that
B.
in order to
C.
now that
D.
so that
【简答题】I feel uncomfortable each time I remember the situation ______ Mary didn’t agree with me _______ the matter.A. that; at B. in which; over C. which; about D. where; to
【简答题】It sounds like you’re coming down______the flu. Let me take your temperature.
【单选题】--- Let me take your temperature, it is 39.1 degrees. --- You____ .
A.
have a fever.
B.
catch a cold
C.
hurt your back
D.
hurt your hand
【单选题】—How long did Mary work here? —For half a year, but she didn’t leave us much ____. We hardly remember what she is like.
A.
expression
B.
explanation
C.
impression
D.
conclusion
【单选题】The main difference between the Earth's atmosphere and the simulated one is ______.
A.
their size.
B.
their content.
C.
their height.
D.
their density.
【简答题】A) published B) simulated C) illuminated D) circulated
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