钢的加热温度低于727℃时,其组织不发生变化。

题型:判断题

问题:

钢的加热温度低于727℃时,其组织不发生变化。

考点:工程材料机械工程材料机械工程材料题库
题型:判断题

体育运动篮球最早起源于()。

A、美国

B、中国

C、英国

D、法国

题型:判断题

机电硐室两头分别设2个合格灭火器,并配有不少于()立方灭火砂,不少于()个砂袋及2把消防铲

A.0.5;5

B.0.2;6

C.0.4;4

题型:判断题

已知(SP)=40H,片内RAM(60H)=0FH,执行PUSH 60H和POP 50H两条指令后,SP及50H中内容各为 ( )

A.(SP)=39H,(50H)=23H
B.(SP)=40H,(50H)=0FH
C.(SP)=41H,(50H)=0FH
D.(SP)=40H,(50H)=60H

题型:判断题

The nobler and more perfect a thing is, the later and slower it is becoming mature. A man reaches the mature (1) of his reasoning powers and mental faculties (2) before the age of twenty-eight; a woman at eighteen. And then, too, in the case of woman, it is the only reason of a sort--very mean in its (3) . That is why women remain children their whole life long; never seeing (4) but what is quite close to them, (5) fast to the present moment, taking appearance for (6) , and preferring (7) to matters of the first importance. For it is (8) his reasoning faculty that man does not live in the present only, (9) the brute, but looks about him and considers the past and the future; and this is the origin of (10) , as well as that of care and anxiety which so many people (11) Both the advantages and the disadvantages, which this (12) , are (13) in by the woman to a smaller extent because of her weaker power of reasoning. She may, in fact, be described as intellectually shortsighted, (14) , while she has an immediate understanding of what lies quite close to her, her field of (15) is narrow and does not reach to what is (16) ; so that things which are absent, or past, or to come, have much less effect upon women than upon men. This is the reason why women are inclined to be (17) and sometimes carry their desire to a (18) that borders upon madness. In their hearts, women think it is men’s business to earn money and theirs to spend it--if possible during their husband’s life, (19) , at any rate, after his death. The very fact that their husband hands them (20) his earnings for purposes of housekeeping strengthens them in this belief.

19()

A.but

B.for

C.though

D.while

题型:判断题

如何保证客户支付信息安全以及买卖双方身份的真实性,是()主要考虑的问题。

A.支付安全

B.诚信安全

C.数据安全

D.交易信息安全

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