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【单选题】
下列关于诱导契合学说的叙述,正确的是( )A.
底物与酶如同锁和钥匙的关系
B.
底物改变,酶不变
C.
酶改变,底物不变
D.
使酶的结构与产物 相互适应
E.
底物和酶的结构相互诱导、变形,匹配
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举一反三
【单选题】When the villager refers to the dark rock as the 'center of the world'______.
A.
he just wants to tease the author
B.
he is ignorant to think so
C.
he does not know the 'center' is in New England
D.
he, as well as people living there, believes in it seriously
【简答题】What job is the man looking for? [A] He wants to be with the English training center. [B] He wants to work at a service company. [C] He wants to work in the marketing department.
【单选题】— Did you finish _____ the book? — Yes, I did. Thanks your dictionary, I had a better understanding of it. [ ]
A.
reading, for
B.
reading, to
C.
to read, for
D.
to read, to
【简答题】How was your work done in class? Did you attend the class on time? Did you finish the exercises on time? Did you take notes and review them after class?
【简答题】Did you finish your homework?
【单选题】“Did you finish your homework yesterday?”, Jim asked me .
A.
Jim asked me if I finished my homework last day.
B.
Jim asked me if I had finished my homework last day.
C.
Jim asked me if I had finished my homework the day before
D.
Jim asked me had I finished my homework the day before
【单选题】When the villager refers to the dark rock as the 'center of the world', ______.
A.
he just wants to tease the author
B.
he is ignorant to think so
C.
he does not know the 'center' is ill New England
D.
he, as well as people living there, believes in it seriously
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