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【简答题】
微生物生长测量方法。
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举一反三
【单选题】If a student never skips a class and gets an overall mark of 80 (out of 100) for assignments, what is the minimum mark that the student must obtain in the final exam in order to get 85 (out of 100) as...
A.
80.
B.
85.
C.
90
D.
95
【简答题】A.To chat with Simon socially. B.To get help in the course. C.To hand in their assignments. D.To practise giving interviews.
【单选题】Woman: What did the teacher want you to do? Man: She asked me to finish doing the assignment in ten minutes. Woman: In ten minutes? That would not be a piece of cake. But did you say 'yes' ? Question:...
A.
The man could be awarded a piece of cake if he can finish the work in 10 minutes.
B.
The woman doubted that the man could finish his assignment in 10 minutes.
C.
The assignment was too difficult to finish in 10 minutes.
D.
A piece of cake cannot represent the value of the assignment.
【单选题】--- “Fail to do your homework again?” ---“Sorry, I ____ something else and didn’t hear your assignment.”
A.
thought
B.
had thought
C.
was thinking
D.
have been thinking
【判断题】要从图纸空间切换到模型空间,至少两个视口被激活并打开。( )
A.
正确
B.
错误
【判断题】体温过高会造成神经系统的机能紊乱,出现头痛、恶心、呕吐、精神恍惚的情况。
A.
正确
B.
错误
【多选题】下列材料能够用气割切割的是( )。
A.
低碳钢
B.
低合金钢
C.
不锈钢
D.
铸铁
【单选题】食品中总酸度的测定一般以样品中含量最多的酸来表示,如苹果、核果类果实及其制品,用( )表示,换算系数( )。
A.
乙酸,0.060
B.
苹果酸,0.067
C.
酒石酸,0.075
D.
D.柠檬酸,0.0
【多选题】选择吸收剂时,主要考虑的因素有哪些?
A.
溶解度大, 选择性好
B.
挥发性小, 再生易
C.
黏度低
D.
化学稳定性好、价廉、易得、无毒、不易燃烧、无腐蚀、凝固点低等经济和安全条件。
【判断题】食品中含有多种有机酸,总酸度测定的结果一般以样品中含量最多的酸来表示。( )
A.
正确
B.
错误
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