活塞式抽水机的最大抽水高度大约是[ ] A、13.6m B、10m C、76cm

题型:选择题

问题:

活塞式抽水机的最大抽水高度大约是[ ]

A、13.6m

B、10m

C、76cm

D、任意高度

考点:液体压强计算公式的应用
题型:选择题

牵正散的药物组成是()

A.白附子、僵蚕、全蝎、酒

B.白附子、蝉蜕、全蝎、酒

C.禹白附、僵蚕、全蝎、酒

D.白附子、僵蚕、蜈蚣、酒

E.白附子、僵蚕、全蝎

题型:选择题

血管炎综合征的常见类型是()

A.过敏性紫癜

B.皮肤黏膜淋巴结综合征

C.婴儿多动脉炎

D.动脉炎

E.以上都不是

题型:选择题

阅读理解。

     At midnight on New Year's Eve, people in Rome, Italy, throw out all the things they no longer want.

The streets are filled with old chairs, beds, clothes and dishes. In Madrid, Spain, the new year comes in

more quietly. People flock to the main square. Each holds a bag of grapes. As the clock strikes twelve,

the people eat the grapes- one for each stroke.

     In Tokyo people eat noodles on New Year's Eve. This food is said to bring long life. Early the next

morning, some Japanese families climb Mount Fuji. There they watch the first sunrise of the new year.

1. This story is about New Year's Eve in ____.

A. Italy and Spain    

B. China and Japan

C. Japan              

D. Italy ,Spain and Japan

2. In Rome, Italy, the streets are filled with old things on New Year's Eve because _____ .

A. people throw out all the things they no longer want

B. the city has never been clean

C. people want to change back what they want

D. they want to see the sun come up

3. In Tokyo, people eat noodles on New Year's Eve _____.

A. because they like eating noodles very much

B. so that the daytime could be longer

C. in order that they could live longer

D. though they don't eat them

题型:选择题

国债的期限结构

题型:选择题

右图表示植物不同器官对生长素的反应。请观察后据图回答

 

从三条曲线可以看出,对生长素最敏感的是()

更多题库