问题 单项选择题

利用渗透作用实验原理可以测定细胞液浓度的大致范围。将细胞液浓度相同的某种植物细胞(如左图所示),置于不同浓度的蔗糖溶液中,出现右侧a~d四种细胞状态,则细胞液浓度位于下列哪两个细胞之间()

A.c~b

B.a~c

C.a~d

D.d~c

答案

参考答案:D

完形填空

Not long ago, I made up my mind to read a lot of books to get more knowledge. So I went to the library and __36___ happily with several books. But after a few days, I felt impatient. The ___37__ of finishing all of them seemed impossible, because I always found it hard to ___38__ down to read a whole book. I didn’t know what to do with it. Then ___39___ one day I thought of “Why not make reading for fun?” it gave me __40___ again. Reading is a journey of spirit. Every time we read a book, we are actually(事实上) talking ___41___ the writer. I tried to put all my effort into his or her books, __42___ I could feel all of his or her happiness and sadness. Now books have become a part of my life.
Attitude (态度) can make a great ___43___. Someone once said, “Even though the situation is bad, people still have one freedom(自由) to __44___ their attitude.” So, don’t complain about study or work. It helps __45___. Try to see things from a different way. I’m sure this will change the situation and help you a lot.
小题1:
A.sangB.jumpedC.returnedD.danced
小题2:
A.wayB.habitC.suggestionD.idea
小题3:
A.calmB.sitC.lieD.turn
小题4:
A.sadlyB.quicklyC.suddenlyD.hardly
小题5:
A.adviceB.hopeC.timeD.knowledge
小题6:
A.withB.aboutC.of D.at
小题7:
A.becauseB.thoughC.butD.so
小题8:
A.decisionB.differenceC.discussionD.promise
小题9:
A.announceB.chooseC.showD.hide
小题10:
A.nothingB.anythingC.everythingD.something
单项选择题 A1/A2型题