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【单选题】
起动逻辑表达式中,满足起动准备条件的输入信号之间的逻辑关系是______
A.
逻辑与
B.
逻辑或
C.
逻辑非
D.
逻辑或非
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参考答案:
举一反三
【单选题】The teacher asked a very difficult question. It was Ted who finally _____ a good answer.
A.
came up with
B.
had raised
C.
went through with
D.
put up with
【单选题】有抗B凝集素,红细胞膜无D抗原,其血型属于:
A.
A型、Rh阴性
B.
AB型、Rh阳性
C.
B型、Rh阳性
D.
O型、Rh阴性
【简答题】The following are some advertisements(广告). Read them and answer the questions. No. 1   A big house with a big yard for a big family. There are four bedrooms, three bathrooms, a big living room and a g...
【单选题】抗B凝集素,红细胞膜无D抗原,其血型属于
A.
AB型 Rh阴性
B.
O型  Rh阳性
C.
AB型  Rh阳性
D.
O型  Rh阴性
E.
A型  Rh阴性
【简答题】In an American classroom, a Chinese girl was asked to answer a question. She stood up and smiled, without any sound. The American teacher looked at himself and didn’t see anything funny. So he ...
【单选题】只有抗B凝集素,红细胞膜无D抗原,其血型属于
A.
AB型;Rh阴性
B.
O型;Rh阳性
C.
AB型;Rh阳性
D.
O型;Rh阴性
E.
A型;Rh阴性
【单选题】抗B凝集素,红细胞膜无D抗原,其血型属于
A.
AB型 Rh阴性
B.
O型  Rh阳性
C.
AB型  Rh阳性
D.
O型  Rh阴性
E.
A型  Rh阴性
【判断题】装配图标注中,各零件序号指引线不允许相交。 答案:
A.
正确
B.
错误
【简答题】英译汉: She would rather answer phones than type.
【多选题】关于装配图上的零件序号编写,下面哪一项是错误的?
A.
零件指引线可以多次弯折,以避开视图投影或其他标注。
B.
零件序号编写应横平竖直,按顺时针或逆时针顺序排列。
C.
零件序号编写应比图中尺寸数字大一号或两号。
D.
一组紧固件或装配关系清楚的零件组可采用公共指引线。
E.
为了排列美观清晰,指引线尽可能沿45度或135度方向画出。
F.
各指引线不允许相交。
G.
指引线引出端只能是箭头。
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