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【单选题】
有关肺循环的血管的说法哪种是错误的
A.
动脉起自右心室
B.
左、右各有1个肺动脉干
C.
左、右各有2条肺静脉
D.
肺静脉开口心房
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【判断题】三相四线制高压供电线,无功计量装置TV二次b断且I b断,则更正系数为
A.
正确
B.
错误
【单选题】Help _____ to some fish
A.
yourself
B.
youself
C.
you
【单选题】- Do you mind my using your book? - Not at all. _____.
A.
Never mind
B.
Go ahead
C.
Of course not
D.
Of course
【单选题】Please help _____ to some fish, Mary. [     ]
A.
some
B.
her
C.
yourself
D.
yourselves
【单选题】( )是为掩盖砌体灰缝内在质量缺陷,砌筑砌体时仅在靠近砌体表面处抺有砂浆,而内总无砂浆的竖向灰缝。
A.
灰缝
B.
通缝
C.
假缝
D.
瞎缝
【判断题】三相四线制高压供电线,无功计量装置TV二次b断且Ia断,则更正系数为
A.
正确
B.
错误
【单选题】血小板计数质量保证的主要原则是
A.
可选用尿素稀释液
B.
避免血小板被激活和破坏
C.
准确辨认血小板
D.
可用肝素抗凝血
E.
血标本可以低温保存
【判断题】采用预收款方式销售商品的,销售方收到最后一笔款项时发出商品,并确认收入,结转成本。在此之前预收的款项作为预收账款。( )
A.
正确
B.
错误
【单选题】All the following things you are advised to do., according to the author, make one creative except.
A.
to learn from such creative persons as Henry Ford.
B.
to develop one' s thinking power in every conceivable way
C.
to sum up all the successful methods ever- tried by creative people
D.
to learn to be more creative by doing easy things in an unusual way
【判断题】三相四线制高压供电线,无功计量装置TV二次c断且Ic断,则更正系数为
A.
正确
B.
错误
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