在化学实验中，必须遵守实验规则。下列做法违背实验规则的是 [_爱下问搜题

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问题选择题

在化学实验中，必须遵守实验规则。下列做法违背实验规则的是 [ ]

A．实验前检查仪器和用品是否齐全

B．实验过程中互相配合，共同完成实验　　

C．如实记录实验现象和数据

D．无毒的药品可以用嘴尝其味道

答案

答案：D

选择题

有机合成材料的出现是材料发展史的重大突破。下列应用的材料属于合成材料的是

A．隔水透气的鸟笼

B．人面鱼纹彩陶盆

C．金刚石薄膜

D．银制器皿

补全对话，情景问答

给下列的问句选择答语。

( ) 1. Do you have any apples?
( ) 2. Would you like some tea?
( ) 3. Do you like salt?
( ) 4. Who is she?
( ) 5. What would you like?
( ) 6. Is your father a carpenter?
( ) 7. How much for one banana?
( ) 8. How many bottles of pop?
( ) 9. Do you live in canada?
( ) 10. Thanks.

A. Three.
B. I would like some milk.
C. She is my sister.
D. No, I don't have any apples.
E. Yes, we live in Canada.
F. Yes, I do.
G. You are welcome.
H. Yes, please.
I. Yes, he is.
J. Two yuan.