对于洁净度不低于1 000级系统的空调箱体在保持1 000Pa的静压下漏风率不应大于( )。
A.1% B.2% C.3% D.4%
参考答案:A
第二部分:单词拼写: 根据所给首字母或中文写出单词(共10小题;每小题0.5分,满分5分)
1. Your v___________ is too small; you need to learn more words.
2. The organization needs more v________ to do the work for free.
3. The word “not” are p __________differently in the UK and the USA.
4. The story is written in s__________English, so it’s easy for you to understand.
5. The company is p___________ their new toothbrush by advertising on television.
6. That building is a m________________ to those who were killed in the war.
7. The news on this web is u__________every day; so you can get information about what happens around the world in time.
8.These two nations had been at war__________ (连续不断地) for eight years.
9. It is a pity that so many buildings were ___________(毁坏) in the big fire.
10.We went to a beautiful town and spent an ___ (难忘的) day.
痰在经络筋骨,则可致
A.喘咳咯痰B.胸闷心悸C.瘰疬痰核D.恶心呕吐E.神昏痴呆