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【单选题】
取用无菌溶液时先倒出少量溶液的目的是
A.
冲洗瓶口
B.
检查溶液的颜色
C.
检查溶液的粘稠度
D.
检查溶液是否混浊
E.
检查液体有无特殊气味
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参考答案:
举一反三
【单选题】The professor said he would not postpone the exam even if the students could not get well prepared.
A.
call off
B.
call on
C.
put away
D.
put off
【判断题】导学案的设计重心在于学生设计。( )
A.
正确
B.
错误
【单选题】Professor Johnson is said ______ some significant advance in his research in the past year.
A.
having made
B.
making
C.
to have made
D.
to make
【单选题】相较《明儒学案》,《宋元学案》中增设什么来罗列学派的传授系统()。
A.
B.
C.
评论
D.
著作
【单选题】下列选项中,可以实现警告框的是()
A.
alert()
B.
prompt()
C.
doucument.write()
D.
console.log()
【单选题】What was said about the professor?
A.
He returned the lottery ticket to the thief.
B.
He was a 50-year-old math professor.
C.
He saw the thief on TV news.
D.
He handed over the cash to the thief.
【单选题】渐开线齿廓的形状与齿轮的( )半径大小有关。
A.
节圆
B.
分度圆
C.
基圆
D.
渐开线曲率
【单选题】A professor said the rise of the BRICS countries(金砖国家) is a/an _______ of the end of the world in the control of the USA. A. barrier       
B.
process       
C.
aspect             
D.
symptom
【单选题】第1课 《中华人民共和国成立》优质学案.doc 第2课 《抗美援朝》优质学案.doc
A.
学案1
B.
学案2
【单选题】下列选项中,可以实现警告框的是()
A.
alert()
B.
prompt()
C.
document.write()
D.
console.log()
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