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【单选题】
下列化合物中哪些可能有E,Z异构体? （ ） (A) 2-甲基-2-丁烯 (B) 2,3-二甲基-2-丁烯 (C) 2-甲基-1-丁烯 (D) 2-戊烯A.
2- 甲基-2-丁烯
B.
2,3-二甲基-2-丁烯
C.
2- 甲基-1-丁烯
D.
2-戊烯
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【单选题】Barely______asleep when her father awakened her.
A.
did she fall
B.
she had fallen
C.
had she fallen
D.
she fell
【简答题】阅读下图，回答问题 （1）图中河流A______ （2）图中C是______海，D是______洋 （3）图中E是我国的邻国______ （4）图中的F是我国的______省．
【单选题】She got stuck in a terrible traffic jam on the highway to Shanghai, or she ______ dinner with her family now．
A.
will be having
B.
would be having
C.
is having
D.
was having
【简答题】找规律．下列图中有大小不同的菱形，第1幅图中有1个，第2幅图中有3个，第3幅图中有5个，则第n幅图有（ ）个．
【单选题】She tightened her face into a frightening mask to _____ away that young man.
A.
scare
B.
dread
C.
fear
D.
afraid
【简答题】求下面图中阴影部分的面积．（图中单位：厘米）
【单选题】He thinks Mary is_ as Kate.
A.
as an efficient worker
B.
as efficient a worker
C.
as the most efficient worker
D.
as more efficient a typist
【单选题】The boss always shouts at Mary, because he thinks she is______person in his company.
A.
the most Important
B.
more important
C.
the least important
D.
less important
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