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问题 单项选择题

关于凋亡相关基因，下列各项错误的是（）。

A.Bcl–2的高表达能阻抑多种凋亡诱导因素所引起的细胞凋亡

B.天然表达的Fas基因对细胞凋亡有促进作用

C.转染表达的Fas基因对细胞凋亡有抑制作用

D.野生型P53负责检查染色体DNA是否有损伤，一旦发现有缺陷且无法修复，则启动细胞凋亡机制

E.c–myc基因表达后，如果没有足够的生长因子持续作用细胞就发生凋亡，反之就处于增殖状态

答案

参考答案：C

阅读理解

Mary is an French girl. She is now in Beijing with her parents. Mary doesn’t know much Chinese. But she is trying to learn and speak it. She often speaks Chinese to her Chinese friends, but they don’t understand her because she can’t speak Chinese very well.

It’s Sunday morning. Mary is going to the zoo to see the elephants and monkeys, but she doesn’t know how to get there. She asks a Chinese boy the way. The boy can’t understand her. Then she finds a way to express(表达)what she wants to say. She takes out a pen and some paper. She draws an elephant on it and shows the picture to the boy. The boy understands,and shows Mary the way to the zoo.

小题1:Mary is from______

A．China

B．England

C．Japan

D．France小题2:Mary is in _________with her parents now.

A．England

B．China

C．New York

D．London小题3:Mary doesn’t know how to get to_________

A．the zoo

B．the park

C．her home

D．her school小题4:Mary can’t speaks________very well.

A．English

B．England

C．China

D．Chinese小题5:At last the boy_________

A．can understand Mary’s Chinese.

B．takes her to the zoo

C．shows her the way to the zoo

D．draws a picture for Mary ,too.
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单项选择题

いちにち　さんばい　（　　　　）を　のみます。

A．ジャム

B．コーヒー

C．ビタミン

D．タバコ
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