子满的主要治法（） A.温肾补阳安胎 B.化气行水安胎 C.健脾利水，养血安胎 D.

阅读理解。

     My name is Tom. My father, my mother and I are in China now.  My father is a teacher.  My mother

is a teacher, too. We are American. I'm a student in No. 2 Middle School.  I'm in Class One, Grade One.

Li Lei is my good friend. We are in the same class. Our English teacher is Miss Gao. She is a good

teacher. Mr Zhu is our Chinese teacher. He is a good teacher, too.

1. Tom is _______  .

A. a Chinese boy

B. a middle school student

C. Li Lei's brother

D. Li Lei's cousin

2. _______  are in China.

A. Tom's mother

B. Tom's father

C. Tom

D. A,B and C

3. Tom and Li Lei are not _______ .

A. in No. 2 Middle School

B. friends

C. in Class One

D. brothers

4. _______ is Tom's English teacher.

A. Tom's mother          

B. Miss Gao

C. Tom's father          

D. Mr Zhu

5. Which of the following is right?

A. Tom and his family are in China.

B. Tom is an English boy.

C. Tom's father is a teacher, but his mother isn't.

D. Tom is a student of Grade Two.

I earn 10dollars ____hours as ____supermarket cashier on Saturday.

A．a, an

B．the ,a

C．an ,a

D．an ,the

.申请加入中 * * 党，具有中国国籍的公民和外国籍公民均可加入。( )

9.（15 分）花椰菜易受黑腐病菌的危害而患黑腐病，野生黑芥具有黑腐病的抗性基因。用一定剂量的紫外线处理黑芥原生质体可使其染色体片段化，并丧失再生能力。再利用此原生质体作为部分遗传物质的供体与完整的花椰菜原生质体融合，以获得抗黑腐病杂种植株。流程如下图。

据图回答下列问题：

（5）采用特异性引物对花椰菜和黑芥基因组DNA 进行PCR 扩增，得到两亲本的差异性条带，可用于杂种植株的鉴定。下图是用该引物对双亲及再生植株1—4 进行PCR 扩增的结果。据图判断，再生植株1—4 中一定是杂种植株的有________。

1km=（）m。

A.1000

B.100

C.10

D.1