包隔离层的主要材料是()
A.糖浆和滑石粉
B.稍稀的糖浆
C.食用色素
D.川蜡
E.10%CAP乙醇溶液
参考答案:E
用所给词的适当形式填空。
1. What do you think is the most______(help)invention?
2. Edison was a great (invent). He had many______(invent) during his lifetime.
3. What______electric slippers (use)for?
4. Personal computers (invent) in 1976.
5. —What is the knife used for?
—It's used for (cut) things.
“模范”和“模样”中相同的字读音相同吗?()
A、不相同,前者读mó后者读mú
B、相同,都读mó