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【简答题】
注射成型一般用于 塑料的成型。
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举一反三
【单选题】What does the man say he will do?
A.
Review the applicants' files
B.
Reschedule the appointment
C.
Purchase recording equipment
D.
Record the interviews
【单选题】Johan didn’t review(复习) the lesson, ___ he couldn’t answer the teacher’s question.
A.
as a result
B.
such as
C.
because of
D.
as well as
【单选题】Why does the professor mention the 'free-rider' problem?
A.
To review a concept he explained in class
B.
To give the student a plan to solve her problem
C.
To clarify the problem the student is facing
D.
To explain a benefit of working in groups
【单选题】下面对于包气带的描述错误的是( )。
A.
包气带位于地下水面以上,地面以下部分。
B.
包气带水压力大于大气压。
C.
包气带是空气、水、土三相体系。
D.
包气带也称土壤水带。
【单选题】月经期,血中激素浓度
A.
孕激素低
B.
雌激素低
C.
FSH先低后高
D.
LH先低后高
E.
以上都是
【单选题】If a student has friends visiting him at a time when he should review his lessons, he could _________.
A.
review his lessons all the same
B.
entertain his friends
C.
entertain his friends and find some other time to review his lessons
D.
review his lessons and find some other time to entertain his friend
【单选题】下列关于导游人员在旅游车上讲解的要领中,错误的是()。
A.
尽量不错过城市的重要景观
B.
讲解内容与车外景物相呼应
C.
学会使用“触景生情法”
D.
多让游客自己去欣赏
【单选题】在光照条件下,将等物质的量的甲烷和 Cl 2 充分反应,得到产物的物质的量最多的是
A.
一氯甲烷
B.
二氯甲烷
C.
四氯甲烷
D.
HCl
【单选题】月经期中,血中激素浓度
A.
孕激素低
B.
雌激素低
C.
FSH先低后高
D.
以上都是
【单选题】(2013·湖南高考)He ________ sleep, although he tried to, when he got on such a hunt for an idea until he had caught it.
A.
wouldn't
B.
shouldn't
C.
couldn't
D.
mustn't
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