问题 单项选择题 A1/A2型题

原发性脊柱侧弯是指()

A.由遗传因素引起的脊柱侧弯

B.由脊柱骨骼病变引起的脊柱侧弯

C.由脊柱旁肌肉病变引起的脊柱侧弯

D.由神经病变引起的脊柱侧弯

E.无明确原因的脊柱侧弯

答案

参考答案:E

解析:原发性脊柱侧弯是指无明确原因或者诱因的脊柱侧弯。

阅读理解
阅读理解。
     It's Sunday. There are many people in the bus. An old man is looking here and there. He wants to find
an empty seat. Then he finds one. He goes to it. A small bag is on the seat. And a young man is sitting
beside it.
     "Is this seat empty?" asks the old man.
     "No, it's for a woman. She goes to buy some bananas," says the young man.
     "Well," says the old man,"Let me sit here please. When she comes back, I will leave here." The bus
starts. "She doesn't come, but her bag is here. Let me give her the bag."says the old man. Then he throws
the bag out of the bus Window.
     The young man jumps up and shouts,"Don't throw! It's my bag!"
1. The old man wants to find an empty seat            .
[ ]
A. in the room
B. in the bus
C. beside the driver
D. in a car
2. The old man finds an empty seat. He goes there and finds there's             on it. 
                                                                                                                                                          [ ]
A. a man
B. a woman
C. a bag
D. a coat
3. The young man says the seat is for            .
[ ]
A. a man
B. a woman
C. a boy
D. a girl
4. The bus starts. The old man           
[ ]
A. asks the woman to sit on the seat
B. takes the bag to the woman
C. throws the bag out to the young man
D. throws the bag out of the window
5. The bag is            . The young man doesn't want the old man to throw it away.
[ ]
A. the woman's .
B. the old man's
C. the driver's
D. the young man's
选择题