分压给水系统是由同一泵站内的不同水泵分别供水到水压要求较高的管网,和水压要求较低管网。
参考答案:对
用所给词的适当形式填空。
1. The (invent) of a space rocket took many years.
2. We must improve the (able) of speaking English greatly.
3. We should lay the (found) for our joy in the future.
4. For (century) this has been their custom.
5. Learning English well must have (science) ways.
6. She decided that she taught (she) Japanese.
7. The little boy looked (curious) at the tall young man.
调剂时应捣碎的饮片发药时应( )
A.给整药B.提前捣碎放置C.捣碎后冰箱保存D.称取后临时捣碎E.捣碎后单包