电流互感器在工作时其二次侧不得(),电压互感器在工作时其二次侧不得()。

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问题:

电流互感器在工作时其二次侧不得(),电压互感器在工作时其二次侧不得()。

考点:工厂建筑供配电工厂建筑供配电题库
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1988年8月,省委八届六次全会提出,并经1990年9月省第九次党代会进一步完善的新的发展战略思路是:把江西经济大厦建立在()的基础上,打一场农业开发总体战,加快基础产业和基础设施建设。

A.现代工业

B.现代农业

C.现代教育

D.现代工商业

题型:填空题

细胞的哪项功能导致组织的形成? [ ]

A.细胞的分化

B.细胞的结合

C.细胞的分裂

D.细胞的生长

题型:填空题

酶原及酶原激活的生物学意义在于

A.自身保护及催化作用

B.增加酶催化效率

C.改变酶空间构象

D.增加酶与底物结合能力

E.减轻酶抑制剂影响

题型:填空题

以下网络安全技术中,不能用于防止发送或接收信息的用户出现“抵赖”的是( )。

A.数字签名

B.防火墙

C.第三方确认

D.身份认证

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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. forB. againstC. onD. over

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