【名词&注释】
生殖细胞(germ cell)、花粉粒(pollen grain)、蕨类植物(pteridophyte)、叶绿体(chloroplast)、叶绿素a(chlorophyll a)、藻类植物(algae)、单细胞(single cell)、高等植物(higher plants)、叶绿素b(chlorophyll b)、空白处
[单选题]藻类植物都是单细胞(single cell)或多细胞。( )
A. 正确
B. 错误
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举一反三：
[单选题]二细胞(二核)时期的花粉粒含有( )。
A. 一个精子和一个生殖细胞
B. 两个精子
C. 一个生殖细胞和一个营养细胞
D. 一个营养细胞和一个精子
[单选题]—Why do you want to work for our company?—This is the job that I _______for.
A. looked
B. am to look
C. had looked
D. have been looking
[单选题]6l. From the third paragraph, we know that __
A. oxen are no more important today than in the past
B. ceremonies are held when people cook cattle bone soup
C. oxen are treated as human in some areas of China
D. people run with oxen to shake off diseases every month
[单选题]蕨类植物的精子皆为多鞭毛，受精过程离不开水。( )
A. 正确
B. 错误
[单选题]Nowadays people sometimes separate their waste to make it easier for it ( ) .
A. reusing
B. reused
C. reuses
D. to be reused
[单选题]
A. With
B. Before
C.
D. During
E. After
[单选题]
A. decision
B. purpose
C. solution
D. result
[单选题]绿藻的载色体与高等植物(higher plants)的叶绿体所含色素相同，主要色素种类有叶绿素a、叶绿素b(chlorophyll b)、胡萝卜素和叶黄素。( )
A. 正确
B. 错误
[单选题]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。选项中有两项为多余选项。I was ten when I first sat with my grandmother behind the cashier(收银台) in her general store. ______71_______ I quickly learned the importance of treating customers politely and saying “thank you.”At first I was paid in candy. ________72______ I worked every day after school, and during the summer and no weekends and holidays from 8 a.m. to 7 p.m. My father helped me set up a bank account. ________73________
A. By the time I was 12, my grandmother thought I had done such a good job that she promoted me to selling cosmetics(化妆品). I developed the ability to look customers directly in the eye. Even though I was just a kid, women would ask me such things as “What color do you think I should wear?” I took a real interest in their questions and was able to translate what they wanted into makeup(化妆) ideas. ________74________
B. The job taught me a valuable lesson: to be a successful salesperson, you didn’t need to be a rocket scientist—you needed to be a great listener. ________75________ Except they are no longer women purchasing cosmetics from me; instead, they are kids who tell me which toys they would like to see designed and developed.
C. Later I received 50 cents an hour.
D. Before long, she let me sit there by myself.
E. I ended up selling a record amount of cosmetics.
F. Today I still carry that lesson with me: I listen to customers.
G. My grandma’s trust taught me how to handle responsibility.
H. F. Soon I found myself looking more beautiful than ever before.
I. G. Watching my money grow was more rewarding than anything I could have bought.
J. 第71题：（71）填空
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