【题目】 Peter will ________ his post as the head of the travel agency at the end of next month.
A. take up B. put up C. add up D. break up
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【题目】We______John's name on the race list yesterday but for his recent injury.
A. will put
B. will have put
C. would put
D. would have put
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【题目】Only when I left my parents for Italy ________ how much I loved them.
A.I realized B.I had realized
C.had I realized D.did I realize
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【题目】(12分)樟子松种子数量少、价格昂贵,目前储存的种子时间较久且因活力下降而发芽率低。为提高种子的发芽率,科研人员研究赤霉素对樟子松种子发芽率的影响,做了如下实验。
(1)赤霉素是在植物细胞之间传递_________的分子,对植物生命活动起______作用的微量高效有机物。
(2)科研人员将樟子松种子进行消毒处理后,用不同浓度赤霉素溶液浸种催芽24 h,用蒸馏水冲洗3次,再用蒸馏水浸种催芽12 h,然后放在恒温箱发芽,实验结果如图所示。
① 用蒸馏水冲洗的目的是__________________________________________________。
② 实验结果可知,用______________浓度的赤霉素处理时,种子发芽率最高。当赤霉素浓度为400 mg·L-1时,对樟子松种子萌发起___________作用。
③ 实验结果表明,适宜浓度的赤霉素_________________________________。
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【题目】 Animals are obviously lower form of life than man.(2013 .江西)
A. a; \
B. the; the
C.a;the
D. \;\
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【题目】 The police had to employ force _______ the crowd got out of control.
A. the instant B.at the instant
C.in an instant D. for an instant
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【题目】 This is the reason he didn’t come to the meeting.
A. in which B. with which
C. that D. for which
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【题目】 At the foot of the mountain .
A. a village lies B. is lying a village
C. does a village lie D. lies a village
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【题目】(2016·浙江) Scientists have advanced many theories about why human beings cry tears, none of __________ has been proved.
A. whom B. which C. what D. that
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