太阳病伤寒证发其汗，服药已微除，若阳气重，其人仍可（）。 A.发烦 B.目瞑 C.衄

证明曲率处处相等的曲线为圆．

有关基因工程的叙述中，不正确的是[ ]

A．基因治疗是对有缺陷的基因进行替换，其原理是基因突变

B．用苯丙氨酸羟化酶基因探针可以诊断苯丙酮尿症

C．目的基因与运载体在体外结合形成重组DNA分子，需要用到两种工具酶

D．蛋白质中氨基酸序列可为合成目的基因提供资料，人工合成目的基因不用限制酶

改写句子。

1. Lucy did her homework at home. (改否定句)

    Lucy _______ _______ her homework at home.

2. He found some meat in the fridge (冰箱). (变一般疑问句)

    _______ he _______ _______ meat in the fridge?

3. There was some orange in the cup. (变一般疑问句)

    _______ there _______ orange in the cup?

4. Frank read an interesting book about history. (一般疑问句)

    _______ Frank _______ an interesting book about history?

5. Why not go out for a walk? (同义句)

    _______ _______ ________ out for a walk?

6. Thomas spent RMB 10 on this book. (否定句)

    Thomas                             RMB 10 on this book.

7. My family went to the beach last week. (划线提问)

    _______ _______ _______ family _______ last week?

8. I think she is Lily's sister. (否定句，注意否定转移。)

9. Sally often does some reading in the morning. (否定句)

    Sally _______ often ______ some reading in the morning.

10.  He is a tall, thin boy. (划线提问)

      _______ _______ he _______ ________?

It is one thing to enjoylistening to good music, but it is____ another to play itwell yourself.    [ ]

A. quite    

B. very    

C. rather    

D. much

通风设备应装设消音装置或在主通风和站内采取消音措施，确保主通风机站噪音值不得超过（）

A、80

B、85

C、90