Mary had a great deal of trouble __ the rest runners.Mary had a great deal of trouble __ the rest runners.A.coming up with B,keeping up with C,living up to D,making up for2.Some plants are very sensitive ____ the changes of the environmentA,fromB,aga
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Mary had a great deal of trouble __ the rest runners.Mary had a great deal of trouble __ the rest runners.A.coming up with B,keeping up with C,living up to D,making up for2.Some plants are very sensitive ____ the changes of the environmentA,fromB,aga
Mary had a great deal of trouble __ the rest runners.
Mary had a great deal of trouble __ the rest runners.
A.coming up with
B,keeping up with
C,living up to
D,making up for
2.Some plants are very sensitive ____ the changes of the environment
A,from
B,against
c,tO
分别选什么?为什么
Mary had a great deal of trouble __ the rest runners.Mary had a great deal of trouble __ the rest runners.A.coming up with B,keeping up with C,living up to D,making up for2.Some plants are very sensitive ____ the changes of the environmentA,fromB,aga
1.B
解析：come up with 提出,想出,提供,come up with ideas想出主意
keep up with 跟上,keep up with other classmates 跟上其他同学
live up to 遵守,实践(诺言等)；符合,不辜负,lives up to what his promise 遵守诺言
make up for 弥补
根据题意,Mary跟上其他跑步选手很困难.选B
2.C
解析：sensitive about/to sth 是固定用法,表示对……敏感
1.选B 意思是赶上。整句话的意思是玛丽在赶上其他跑步的人方面有很多的困难。
2.选B意思是应对， 整句话的意思是有些植物对于气候的变化非常敏感。
1. B 追赶，赶上 2.c 对.....敏感
1. B; keeping up with 跟上
2. C. sensitive to 对...敏感 (惯用语)
1.B, keep up with固定短语“赶上”, have trouble +doing是句型，必须是分词形式，表示“有...困难”；整句译为：玛丽赶上别的跑步者有很大的困难。
2.C, 这是因为sensitive 必须跟to,表示“对..很敏感”，译为：有些植物对环境的变化很敏感。