阅读理解。
Look! I'm Tom. This is a box. It's orange. It's my box. What's in the box? A ruler is in the box. It is my
ruler. The ruler is blue and red. That is a pencil. It is black and white. It is not my pencil.
Look! That girl is Lucy. It is her pencil. That boy is Tim. I found (找到) his green pen in the box. I call
Tim at 7890003. It is his telephone number.
1. What color is the box?
A. It's orange.
B. It's green.
C. It's black and white.
D. It's blue and red.
2. What color is the ruler?
A. It's orange.
B. It's green.
C. It's black and white.
D. It's blue and red.
3. Who has a pencil?
A. Tom
B. Lucy
C. Tim
D. I don't know.
4. What's in the box?
A. A pencil and a pen.
C. A ruler and a pen.
B. A ruler and a pencil.
D. A ruler, a pencil and a pen.
5. What's Tim's telephone number?
A. 789003
B. 7980003
C. 7890003
D. 8790003
②
③
④CH3-CH=CH-CN , 其中可用于合成结构简式为
的高分子材料的正确组合为 [ ]