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第二节(共5小题;每小题2分,满分10分) 根据短文内容, 从短文后的选项中选出能填入空白处的最佳选项, 选项中有两多余选项。 (71) ______You probably think you will never be a top student. This is not necessarily so, however. Anyone can become a better student if he or she wants to. Here’s how: Plan your time carefully. When planning your work, you should make a list of things that you have to do. After making this list, you should make a schedule of your time. First your time for eating, sleeping, dressing, etc. Then decide a good, regular time for studying.(72)______ A weekly schedule may not solve all your problems, but it will force you realize what is happening to your time. Find a good place to study. Look around the house for a good study area. Keep this space, which may be a desk or simply a corner of your room, free of everything but study materials. No games, radios, or television. When you sit down to study, concentrate on the subject. Make good use of your time in class. (73)______ Listening carefully in class means less work later. Taking notes will help you remember what the teacher says. Study regularly. When you get home from school, go over your notes, review the important points that your teacher is going to discuss the next day, read that material. (74)_______ If you do these things regularly, the material will become more meaningful, and you’ll remember it longer. Develop a good attitude towards tests. The purpose of a test is to show what you have learned about a subject. They help you remember your new knowledge. The world won’t end if you don’t pass a test, so don’t be over worried. (75)_______ You will probably discover them after you have tried these.
A.
There are other methods that might help you with your studying.
B.
Don’t forget to set aside enough time for entertainment.
C.
Take advantage of class time to listen to everything the teacher says.
D.
No one can become a top student unless he or she works hard. E. Maybe you are an average student. F. Make full use of class time to take notes of what the teacher says in class. G. This will help you understand the next class. 71-75 ___ ___ ___ ___ ___
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举一反三
【判断题】高度专一性是指酶对底物有严格的选择性。(    )
A.
正确
B.
错误
【单选题】一种原子核经过放射性衰变后的子体,其质量数保持不变,原子序数增加1,这种过程是:( )
A.
a衰变
B.
b—衰变
C.
b+衰变
D.
电子俘获
【多选题】核酶的特点
A.
与底物结合专一性较差
B.
催化速度较慢
C.
与底物结合专一性较强
D.
催化速度较快
【单选题】一种原子核经过放射性衰变后的子体,其质量数发生变化,这种过程可能是:( )
A.
a衰变
B.
b—衰变
C.
b+衰变
D.
EC衰变
【单选题】一种原子核经过放射性衰变后的子体,其质量数保持不变,原子序数减少1,这种过程是:( )
A.
a衰变
B.
b—衰变
C.
EC衰变
D.
自发裂变
【单选题】-----Lin Tao’s spoken English is very good. ----- _______. He often talks with foreigners.
A.
So it is.
B.
So is it.
C.
So is he.
D.
So he is.
【单选题】只能催化一种底物的酶的专一性称为:
A.
底物基因专一性
B.
相对专一性
C.
立体异构专一性
D.
绝对专一性
E.
同分异构专一性
【多选题】核酶的特点
A.
与底物结合专一性较差
B.
与底物结合专一性较强
C.
催化速度较慢
D.
催化速度较快
【简答题】底物专一性
【简答题】底物专一性
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