按人体对压力变化快慢的适应性应该是()
A.飞机下降时变化快
B.压力增大时变化快
C.座舱高度下降时变化快
D.座舱高度上升时变化快
参考答案:D
根据汉语提示完成单词。
1.____________(两者都不)of them comes from Japan.
2.___________ ___________(事实上),you are right.
3. We started with soup and_________ ___________(以……结束)with fruits.
4. You can sleep and eat_________ ___________(在甲板上).
5. Have you ever_________ __________(与……争论)your father?
药材用泡法水处理软化的原则是();为保证饮片质量,又便于切片,木瓜、黄芩常采用()法软化。