塑料门、窗安装工艺顺序:补贴保护膜→框上找中线→装( )→洞口找中线→卸玻璃→框进洞口→调整定位→与墙体固定等。
A.膨胀栓
B.固定片
C.填充片
D.铝拉钉
参考答案:B
鹅口疮的病原体是()
A.细菌
B.病毒
C.真菌
D.原虫
E.支原体
用单词的适当形式填空。
1. The old man has a very bad ______ (head).
2. He usually goes to a movie ______ (two) a week.
3. She has a good ______ (eat) habit.
4. I have an American friend ______ (name) Tom.
5. He looks ______ (worry) because his son is ill.
6. They often take ______ (walk) after dinner.
7. What about ______ (go) swimming?
8. Some of the ______ (girl) come from Greece.
9. I have a good way of ______ (learn) English well.
10. This lesson is ______ (easy) than that one.