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【简答题】
只有一端具有电气特性,与光标相连的一端 电气特性,放置引脚时该端应朝外 。(填“具有”或“不具有”)
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皮皮学刷刷变学霸
举一反三
【单选题】建设社会主义文化强国，必须建设中国特色社会主义文化，这就是（）。
A.
发展先进文化，建设和谐文化
B.
发展马克思主义，建设和谐文化
C.
发展社会主义先进文化，建设和谐文化
D.
发展社会主义文化，提高国家文化软实力
【单选题】Read and choose the best answer.Mr. Black’s office was only 5 kilometers away from his house, so he could go home to have lunch every day. But when he got home at noon, he had to drive another place t...
A.
5 miles
B.
5 hours' drive
C.
5,000 meters
D.
Less than 5 kilometers
【单选题】Alexis, ruler of a city where politics was a fine art, concealed his fears, received the noblemen with extravagant ceremonies, impressed them with his riches, praised them, entertained them, bribed th...
A.
because they praised him
B.
in order to prevent their armies from entering the city
C.
in order to impress them with his riches
D.
because they were his friends
【单选题】荧光显微镜观察的注意事项中哪项表达有误
A.
染色后标本应即刻镜检
B.
镜下观察时间不宜太长
C.
油镜观察时应用无荧光镜油
D.
37℃时观察效果更好
E.
应在暗室进行
【单选题】荧光显微镜观察的注意事项中，哪项表达有误（）
A.
染色后标本应即刻镜检
B.
镜下观察时间不宜太长
C.
油镜检查时，宜用无荧光镜油
D.
在37℃时，观察效果更好
E.
检查在通过良好的暗室内进行
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