双作用叶片泵通常作()量泵使用,单作用叶片泵通常作()量泵使用。
参考答案:定;变
用所给单词的适当形式完成句子。
1. I am______(certainly) he'll come though the weather is very bad.
2. She answered me very______(direct) and openly.
3. We've been having______(wonder) weather recently.
4. A good ___ (lead) is always in close contact with the broad masses of people.
5. I love cold drinks, ___ (especial) in summer.
香港、澳门特别行政区不拥有()。
A.选举权
B.司法权
C.立法权
D.外交权