Although he knew little about the large

根据语境选择句子。

1. 你想跟别人一起去，但你又必须做家庭作业，你该如何告诉别人呢？[ ]

A. No, I can't. I must do my homework.

B. I'd like to, but I must do my homework.

C. I'm sorry, I can do my homework.

2. 你想邀请别人和你一起放风筝，该如何说？[ ]

A. Do you like to fly a kite?

B. Would you like fly a kite?

C. Would you like to fly a kite with me?

3. 你想问朋友喜欢吃什么，该怎么说？[ ]

A. What would you want to drink?

B. What would you like?

C. What can I do for you?

4. 你想问别人需要什么，该如何说？[ ]

A. What do you need?

B. What do you want to do?

C. What would you like to eat?

5. 你想拿菜单点菜，该怎样对服务员说？[ ]

A. May I have the menu?

B. I'd like some bread.

C. Shall I have some eggs?

6. 当你想知道别人是什么地方的人时，你说：[ ]

A. Where are you from?

B. Do you live far from here?

C. Why do you come here?

7. 你的同学口渴了，你给他一杯水，可以说：[ ]

A. Here's some water for you.

B. I know you are thirsty.

C. Take this cup of water.

8. 你告诉妈妈李明的个子比你高时，说：[ ]

A. Li Ming is a tall boy.

B. Ming is taller than me.

C. Li Ming is as tall as me.

9. 你想知道别人是否有空，可以说：[ ]

A. Please help me.

B. Do you have nothing to do?

C. Are you free now?

10. 当你得知北方的天气转冷，你对准备去北方的朋友说：[ ]

A. You should take some warm clothes.

B. It's very cold. Don't go to the north.

C. Drink some hot tea, please.

11. 你想要一杯茶时，应该说：[ ]

A. I'd like a cup of tea.

B. Would you like a glass of tea?

C. May I have a bottle of tea?

12. 当你想知道新电视机的颜色时，应该问：[ ]

A. Where is the new TV?

B. What's a TV?

C. What colour is the new TV?

13. 当你想知道别人是否有钢琴时，应该问：[ ]

A. Have you got a dictionary?

B. Have you got. a piano?

C. May I use your piano?

14. 当你想了解别人是否喜欢游泳时，应该问：[ ]

A. Do you like swimming?

B. Do you like running?

C. Do you like ping-pong?

15. 当你想知道这些物品是谁的时，应该问：[ ]

A. Whose are these?

B. Whose are those?

C. Who are they? 

某商场关于“售出商品，概不退换”的规定，侵犯了消费者的( )。

A．知悉权

B．求偿权

C．自主知情权

D．公平交易权

在“研究凸透镜成像”实验中，为了使烛焰的像能成在光屏的中间，首先要调整______和______高度，使它们的中心跟烛焰的中心大致在______．实验时先固定______的位置，然后调整______的位置，最后移动______，直到光屏上出现清晰的烛焰的像．

继电保护要求电流互感器的一次电流等于最大短路电流时，其变比误差小于或等于5％。

什么情况下可以进行带压开采？