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【单选题】
地球表面具有生物生存的适宜温度的根本原因是( )A.
地球处于比较稳定和安全的宇宙环境
B.
地球具有0℃以上的温度
C.
地球有适当的质量?体积、密度和固体表面
D.
日地距离适中
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反馈参考答案：
举一反三
【单选题】The girl felt because she lost a good chance. A. moving B. upset C. surprised D. worried
A.
B.
C.
D.
D
【简答题】At the age of five, she became a paraplegic(截瘫患者), but she never lost heart. Although she missed the chance to go to school, she finished all the courses of primary and secondary schools, she learned ...
【单选题】The girl felt because she lost a good chance .
A.
moving
B.
upset
C.
surprised
D.
worried
【单选题】根据《建设工程工程量清单计价规范》的规定，( )的工程量不是按设计图示尺寸以体积计算的。
A.
现浇混凝土基础
B.
现浇混凝土梁
C.
现浇混凝土桩
D.
现浇混凝土楼梯
【单选题】( )5. Vicky lost the chance to to America. she is very disappointed. Let's go to _______. A. cheer her up B. cheer up her C. cheer her on
A.
cheer her up
B.
cheer up her
C.
cheer her on
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