问题
多项选择题
溶液型气雾剂的组成部分包括（）
A.抛射剂
B.潜溶剂
C.耐压容器
D.阀门系统
E.润湿剂
答案
参考答案：A, C, D
搜题请搜索小程序“爱下问搜题”
溶液型气雾剂的组成部分包括（）
A.抛射剂
B.潜溶剂
C.耐压容器
D.阀门系统
E.润湿剂
参考答案：A, C, D
| 词组活用。 | |
2. He ____ a five-year-old boy ____drowning in the river, so he was well thought of. 3. He was a warm-hearted and diligent boy, and ____ ____ by his classmates. 4. ____ your hand if you know the answer. 5. During the war,many buildings were destroyed, and paintings and statues ____ in Iraq. 6. They live on grasslands where they can easily ____ ants and worms. 7. ____ last term, we had learned 3,000 words. 8. He's ill; you should call in the doctor ____. 9. Our hunt for a cheaper but larger house is at last ____. 10. ____ wild animals are dying out. |