
【名词&注释】
化学性质(chemical properties)、原子结构(atomic structure)、化合价(valence)、非金属性(nonmetal character)、元素周期表(element periodic table)、分界线(separatrix)、完全相同(completely identical)、不可能(impossible)、改名换姓(change name)、追名逐利
[单选题]我们食用的石榴,食用部分是内种皮。( )
A. 正确
B. 错误
查看答案&解析
举一反三:
[单选题]The newly built café, the walls of_______ are painted light green, is really a peaceful place for us, specially after hard work.
A. that
B. it
C. what
D. which
[单选题]--Why does the Lake smell terrible?--Because large quantities of water .
A. have polluted
B. is being polluted
C. has been polluted
D. have been polluted
[单选题]⒎下列对原文有关内容的分析和概括,不正确的一项是(3分)
A. 沈通明原为明末军官,为人仗义轻财,年轻时以勇猛闻名,八十多岁时酒量仍不减当年, 还像过去一样以行侠自豪。
B. 入清以后,沈通明闭门不出,后来移居苏州,改名换姓(change name),靠给人算命维持生活,后出家为僧,不久还俗,北上邓州寻访故人。
C. 彭子篯注意到沈通明在邓州的异常行为,前去察看,但两人一见如故,相处很好,于是彭子篯免除了他的罪责,将他释放。
D. 作者认为明末像沈通明那样的人才得不到重用,而朝廷中掌权的大臣都是些心术不正、 结党营私、追名逐利的小人。
[单选题]
A. talk through
B. hand over
C. read out
D. show off
[单选题]请听第7段材料,回答第9至11题。第9题:What is the purpose of this talk?
A. To talk about the exam
B. To introduce a professor
C. To explain the arrangement
[单选题]It seems that living green is easy and affordable. A small step masks a big difference.
A. exactly
B. fortunately
C. surprisingly
D. hardly
[单选题]元素在周期表中的位置,反映了元素的原子结构和元素的性质,下列说法正确的是
A. 同一元素不可能(impossible)既表现金属性,又表现非金属性
B. 第三周期元素的最高正化合价等于它所处的主族序数
C. 短周期元素形成离子后,最外层电子都达到8电子稳定结构
D. 同一主族的元素的原子,最外层电子数相同,化学性质完全相同(completely identical)
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