问题 单项选择题

在表设计器的“字段”选项卡中可以创建的索引是

A. 惟一索引

B. 候选索引

C. 主索引

D. 普通索引

答案

参考答案:D

解析:在表设计器“字段”选项卡的索引下拉框中,只能为字段建立普通索引(系统默认),要建立主索引、候选索引或惟 一索引,必须在“索引”选项卡中设置。

阅读理解

阅读理解。

    I am Catherine. I love rock very much. I mean I like climbing mountains not rock music. I like touching

the rock and reading the face of the rock. I like it a lot. I feel at home on the side of a mountain. Climbing is

only my hobby. I have two long holidays every year. I often climb mountains during the holidays. I am

different from other climbers. I often climb the mountains without ropes (绳子). I climb many mountains in

many countries but most often in the A mountains near D City, where I live.

    I started climbing near my home in Paris when I was five years old. I was good at climbing at that time.

I joined Climb Club to learn more when I was fourteen years old. I won my first competition in Italy in 1995.

    Three years ago I tried to find a new route (路线) up the b Mountain near D City. The climb took eleven

days and at last the snow was so heavy that I could not move. I'm going to try again this year.

1. Catherine didn't start climbing mountains until ______. [ ]

A. she was five

B. she joined the club

C. 1995

2. On the side of a mountain she always feels ______.

[ ]

A. worried

B. happy

C. lucky

3. Catherine joined the Climb Club when she was ______ years old. [ ]

A. 5

B. 14

C. 16

4. She couldn't climb up the B Mountain, because ______. [ ]

A. Catherine lost her way

B. the climb took 11 days

C. it was too hard for her to move in the snow

5. Which of the following is true according to this passage? [ ]

A. Catherine won her first competition in France in 1995.

B. Most climbers climb the mountains without ropes.

C. Catherine lives somewhere near Chamonix.

多项选择题