正确答案: D
自然环境和人工环境
题目:根据地球环境的性质,可将环境划分为( )
解析:D
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举一反三的答案和解析:
[单选题]He said he had no difficulty ______the boat himself.
A and C
解析:18.答案为D 参考译文:他说,他自己修理这条小船没有困难。在no difficulty后边,要用动名词或动名词短语。
[单选题]在下列作品中,属于五言律诗的是( )
王维的《山居秋暝》
解析:【答案】D
[单选题]The three children looked after their sick mother______.
in turn
解析:18.答案为C 参考译文:孩子们轮流照顾他们生病的母亲。本题考查短语意义辨析。A作为回报,B没有此短语,C in turn或by turns都有轮流、交替的意思,D以作……的回报,
[单选题]Shortly after the tea Leopold heard the music from upstairs. He was astonished because______.
Marianne had never played the piece so beautifully
解析:39.答案为C 此题为细节题。第二段最后几句的大意是,莫扎特的爸爸用惊奇的声调说,Marianne弹这段曲子胜过以往任何时候。
[单选题]白细胞分类中,单核细胞的绝对值为 ( )
(0.12~0.8)×109/L
[单选题]I'm equally _________about every school record that I have broken.
excited
解析:本句考查分词的用法。-ed分词一般表示被动或完成;而-ing分词正好相反。根据句意,应该用excited。题干的意思是:“我对自己在学校所破的每项记录都感到很激动。”
[单选题]Mr. Wang and his son, both looking very happy, ______ taking a walk in the park.
are
解析:7.此题考查主谓的一致性及时态。And 连接两个主语,谓语动词用复数,其行为为现在进行时态。选项A是正确的。
[单选题]正常人血液中胆红素数值为 ( )
1.7~17.1μmol/L(0.1~1.0mg/dL)