【单选题】由于钢尺的尺长误差对距离测量所造成的误差是( )。
【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
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
【判断题】在起重量 16t 以上的桥式起重机上,常设有主、副两套起升机构。
【单选题】According to the passage, the author thinks of each interview as ______.
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。
【单选题】20世纪初,欧洲进行了轰轰烈烈的设计改革运动,以下哪个选项不属于这次运动?
【单选题】下列选项中,属于会计行政法规的制定机关的是()