全挡块一般需要多少个半价层() A.2.5 B.3 C.3.5 D.4 E.4.5

题型:单项选择题

问题:

全挡块一般需要多少个半价层()

A.2.5

B.3

C.3.5

D.4

E.4.5

考点:广西住院医师相关专业知识相关专业知识题库
题型:单项选择题

下列属于消防安全重点单位的是()。

A.候车厅、侯船厅的建筑面积在500m2以上的客运车站和客运码头 

B.营业性汽车加油站、加气站,液化石油气供应站(换瓶站) 

C.生产车间员工在150人以上的服装、鞋帽、玩具等劳动密集型企业 

D.总储量在500吨以上的棉库 

E.总储量在1000m3以上的木材堆场

题型:单项选择题

臣下不可以直呼(),而是采用别称。

A.皇帝

B.皇上

C.圣人

D.万岁爷

题型:单项选择题

下列有关MHC分子功能的叙述,错误的是:()

A.与自身抗原结合,在胸腺进行T细胞选择

B.与异体抗原结合,提呈给成熟T细胞,引起免疫反应

C.决定抗原的免疫表型,使不同个体生成相同的免疫反应

D.刺激自身(auto)和同种异体(allo)混合淋巴细胞反应

E.与自身免疫病的发病明显有关

题型:单项选择题

Questions


·Read the following passage and choose the best word for each space.
Do you want to send an e-mail message to the White House
Good luck.
In the past, (26) President Bush — or at least those assigned to read his mail — what was (27) your mind it was necessary only to sit down at a personal computer connected to the lnternet and (28) a note to president@ whitehouse.gov.
But this week, Tom Matzzie, an online organizer with the A.F.L.-C.I.O., discovered that (29) with the White House had become a bit more (30) . When Mr. Matzzie sent an e-mail protesting (31) a Bush administration policy, the message was bounced back With an automated reply, saying he had to send it again in a new way.
Under a system (32) on the White House Website (33) the first time last week, those who want to send a message to President Bush must now (34) as many as nine Web pages and (35) a detailed form that starts by asking whether the message sender supports White House policy (36) differs with it.
The white House says the new e-mail system is an effort to be more responsive (37) the public and offer the administration "real time" access (38) citizen comments.
Completing a message to the president also requires (39) a subject from the provided list, then entering a full name, organization, address and e-mail address. (40) the message is sent, the writer must wait for an automated response (41) his message, (42) whether the addressee intended to send the message. The message is delivered to the White House only after the person using that e-mail address (43) it.
"Over (44) , it’s a very cumbersome process," said Jakob Nielsen, an authority on Web design. "It’s probably designed deliberately to (45) on their e-mail.\

A. cut off B. see off C. dash off D. give off

题型:单项选择题

根据你对单无测试的理解,谈谈在任何情况下单元测试都是可能的吗,都足需要的吗

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