影响变压器空载损耗和空载电流大的原因主要有( )。A.铁心松动或装配不良 B.铁心

题型:多项选择题

问题:

影响变压器空载损耗和空载电流大的原因主要有( )。

A.铁心松动或装配不良

B.铁心或绕组局部短路

C.未进行温度换算

D.绕组并联支路短路

考点:电气设备安装工高级电气设备安装工高级
题型:多项选择题

从发音部位看,普通话声母ch属于_______。

A.舌尖前音

B.舌尖中音

C.舌尖后音

D.舌根音

题型:多项选择题

词汇运用 (用括号内所给词的适当形式填空)。 (15分)

小题1:My father promised ______________ (not smoke) any more .

小题2:You shouldn’t keep your worries to    ___    (you), boys.

小题3:The police found the old man __________in the house,but they didn’t know when he died. (die)

小题4:People like to have their homes _______(paint) white because white can make them calm down.

小题5:He seemed ______________ (active) at first, but now I've realized he's lively.

小题6:Of all the teenagers, my cousin is _____________ (humour). We all like him.

小题7:My penfriend _____________(reply) to my e-mail just now.

小题8:My dream is____________(become) a great writer like MoYan.

小题9:The results of the competition ______________tomorrow afternoon. (announce)

小题10:The 23-year-old man was out of breath(气喘吁吁) after he climbed to the ________ (40) floor.

小题11:   ___    good marks in the coming exam, students are busy revising their lessons.(achieve)

小题12:How stubborn he is? You can't make him give up____________ (easy).

小题13:Shall we do something _________(relax) to make ourselves calm down?

小题14:Students aren’t allowed __________(hand) in homework late.

小题15:What great ____________ (suggest) you offered me! Thank you.

题型:多项选择题

当工程造价与建设投资的概念相同时,工程造价是指建设项目的( )。

A.工程价格

B.建设工程的总价格

C.建筑安装工程的价格

D.全部固定资产投资费用

题型:多项选择题

TH1细胞分泌()。

A.IFNγ

B.IL-4

C.IL-5

D.IL-6

E.IL-10

题型:多项选择题

在“翌日天甫明,来视予脉”中,“翌日”的意义是()

A.前日

B.昨日

C.今日

D.次日

E.过了几日

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