某物体受三个共点力作用，其大小如下，其中不可能使物体达到平衡的是（ ）
| A．3N、4N、5N | B．2N、4N、8N |
| C．10N、5N、5N | D．6N、6N、6N |
A can swim .
A. cock B. hen C. duck
you a doctor ? Yes , .
A. Are , we are B. Is , I am C. Are , I am
请选择合适的句子或句子序号完成对话。（10%）
A: Hi!
B: My name is Jack.
A:
B: I’m eleven.
A:
B: I’m in Class 1, Grade 5.
A:
B: I come from Germany.
A:
B: Yes, I am.
A:
B: She’s my aunt.
A:
B: She’s a taxi driver.
A:
B: They’re mine. They’re for my birthday.
A: Yes, I’d like to.
B: I want to be a fireman.
请为图片选择有关联的句子。（5％）
（1）Whose umbrella is this?
（2）Is that her sun visor?
（3）Is this your zoo?
（4）My sister is a waitress.
（5）I’m going to take a picture in front of the house.
Children’s Day in Chinese is on .
A. May 5thB. June 1stC. November 23th