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【单选题】
根据建构主义学习理论,教师的角色应该是( )A.
学生的保姆
B.
教学的控制者
C.
教学的引导者
D.
知识的传播者
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【单选题】听力原文：They will write to their home office to waive their claim. (6)
A.
They will write to their home.
B.
They will write to their headquarter.
C.
They will ask for their rights.
D.
They will wait for an officer.
【单选题】Questions 5 and 6 Choose the appropriate letters A-D and write them in boxes 5 and 6 on your answer sheet. The greatest outcome of the discovery of the reaction principle was that
A.
rockets could be propelled into the air.
B.
space travel became a reality.
C.
a major problem had been solved.
D.
bigger rockets were able to be built.
【单选题】革兰氏阳性细菌与革兰氏阴性细菌相比，最大的区别是（）。
A.
革兰氏阳性细菌有线粒体，而革兰氏阴性细菌没有
B.
革兰氏阳性细菌有核糖体，而革兰氏阴性细菌没有
C.
革兰氏阳性细菌有荚膜，而革兰氏阴性细菌没有
D.
革兰氏阳性细菌有坚韧而厚度较高的细胞壁，革兰氏阴性细菌没有
【单选题】According to the passage, the author thinks of each interview as ______.
A.
a positive experience
B.
a chance to get a perfect job
C.
a chance to meet challenges
D.
one item in the schedule
【简答题】Read and write. 1._____ 2._____ 3._____ 4._____ 5._____ 6._____ 7._____
【简答题】Read and write. (看图填词.)6 1______ 2______ 3______ 4______ 5______ 6______ Word Bank camera glasses dance bag gloves skate
【判断题】16t 以上的起重机有主副两套起升机构,副钩起重量一般为主钩起重量的 1/3 ~ 1/5 。起重量用分数形式表示,分母为主钩起重量,分子为副钩起重量。
A.
正确
B.
错误
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