皮皮学,免费搜题
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【单选题】
下列不属于直接火源的是( )。
A.
明火
B.
高温
C.
电火花
D.
雷击
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举一反三
【判断题】工步是组成工艺过程的基本单元。()
A.
正确
B.
错误
【单选题】FN=5(R)+6(G)+9(B)中,红光刺激值和相对配色系数分别是
A.
0.5,5
B.
5,0.5
C.
5, 0.25
【简答题】听下面一段材料, 回答第1-3题。 1. How does the new gym affect the student's attitudes towards the increased fees? A. It makes them feel the money was wasted. B. It makes them feel that they should be angry. C. It ...
【判断题】使用视觉传感器也可以用来测量位移
A.
正确
B.
错误
【判断题】工步是组成工艺过程的基本单元。
A.
正确
B.
错误
【单选题】You have a table that contains information about all students in your school. Which SQL keyword should you use to change a student's first name in the table?
A.
UPDATE;
B.
CHANGE;
C.
SELECT;
D.
INSERT
【简答题】C. Listen once more and complete the following summary. A yearbook is a (1) record of the school year. You will find each student's (2) in a yearbook. Photos of the(3) come first. The yearbook feature...
【单选题】( )一开始试图拆散宾利和简。
A.
菲茨威廉先生
B.
达西先生
C.
威克汉先生
D.
宾利小姐
【单选题】不戴绝缘帽会造成的危害是
A.
操作时会毛发掉落在电源上,造成电源短路
B.
车底操作时,碰伤头部,严重会造成头部接触带电体造成触电
C.
周围无关人员不知道你在进行高压作业
D.
无法发力拆卸螺栓
【单选题】It's the first time that Lurch has taken the research of student's examination, _______?
A.
isn’t it
B.
isn’t he
C.
hasn’t he
D.
doesn’t he
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