5.如图,一个体积为的正三棱柱的三视图如图所示,
则这个三棱柱的左视图的面积为( )
A. B.
C. D.
4.在右面的程序框图中,若,则输出的的值是( )
A. B. C. D.
3.已知为等差数列,且, ,则公差( )
A. B.- C. D.
2.已知直线、和平面、,下列四个命题中,真命题的个数是( )
①若∥,∥,则∥;②若∥,∥,则∥;
③若,,则∥;④若,,则∥.
A. B. C. D.
1. 复数等于( )
A. B. C. D.
你校将出版校庆英文特刊介绍学校的相关情况,你将参与编写工作。
写作内容 :请根据以下构思图,写一份关于你校植物园的英语简介。
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参考词汇∶植物园 botanical garden
写作要求: 只能使用5个句子表达全部内容。评分标准: 句子结构准确,信息内容完整,篇章结构连贯。
15.Evidence came up specific speech sounds are recognized by babies as young as 6 months old.
14. She’d like to offer money to ____ needs it to continue his or her study.
13.Meeting my uncle after all these years was an unforgettable moment, __________that I will always treasure.
11.The store gives a 10% d__________________ for its VIP customers.
12When I try to understand __________ it is that prevents children from getting fat, it seems to me that there are two reasons.
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