到较远的地方夹取无菌物品时，持物钳的使用应（） A.右手持持物钳，左手遮盖 B.持物

阅读理解。

                                                              Nancy's Diary (日记)

     7:10 am: Get up.

     7:25 am: Have breakfast quickly because it's late.

     7:45 am: Go to Mary's house by bike.

     8:00 am: Go to Juliet and Tom's wedding (婚礼). It's very far and one hour on the road by bus.

     12:30 pm: Have lunch. The food is delicious and we all like it.

     3:30 pm: Go home after having lunch. See Lily on the way home.

     5:00 pm: Watch TV, then supper time.

1. Nancy is ________ at 6:30 am.

A. on her bed

B. at school

C. at Mary's house

D. on the bus

2. Nancy goes to the wedding ________.

A. by bike

B. by bus

C. with Mary

D. with her parents

3. Nancy sees ________ on her way home.

A. Juliet

B. Tom

C. Lily

D. Alex

4. "Delicious" means (意思是) ________.

A. best

B. favourite

C. good to eat

D. bad to eat

5. Nancy's diary tell us ________.

A. she likes her lunch

B. she doesn't have breakfast

C. she is late for the wedding

D. Mary's house is very far

Visual Basic中的控件分为两类，―类是ActiveX控件，另一类是（ ）。

A．文本控件

B．标准控件

C．基本控件

D．图形控件

白芷用于何种头痛最佳（）

A.少阳头痛

B.厥阴头痛

C.阳明头痛

D.太阳头痛

E.少阴头痛

集群分离分析法（bulk segregant analysis，BSA）

-1，0，-1，1，（），-3

A．-2

B．2

C．-3

D．3