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【单选题】
下列哪种营养素的缺乏可能影响机体的性发育()A.
铁
B.
钙
C.
锌
D.
碘
E.
硒
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反馈参考答案：
举一反三
【单选题】World Expo 2010 Shanghai China _ people from all over the world to the theme 'Better City,Better Life'. [ ]
A.
attends
B.
attracts
C.
allows
D.
advises
【单选题】---How do you find the plan? ---Wonderful. It well more than expected.
A.
worked at
B.
worked out
C.
worked on
D.
worked with
【单选题】.The company ______ a survey to find out customers’ reaction to the new products.
A.
concerned
B.
conducted
C.
predicted
D.
previewed
【单选题】______ is _____ the students to find out the meaning and the usage of new words.
A.
What a dictionary does; help
B.
What dictionary does; to help
C.
How a dictionary does; help
D.
All that a dictionary does; helps
【简答题】7-煤的显微组分反射率的大小顺序是();加氢反应活性顺序是();干馏时,焦油和煤气的产率顺序是();氧含量顺序是() A:镜质组>壳质组>惰质组;B:镜质组>惰质组>壳质组;C:壳质组>惰质组>镜质组; D:壳质组>镜质组>惰质组;E:惰质组>镜质组>壳质组;F:惰质组>壳质组>镜质组
【单选题】All has proved that World Expo 2010 Shanghai China is quite .
A.
active
B.
helpful
C.
proud
D.
successful
【简答题】With the new National Police Computer we are now able to find out details of car ownership and driving licenses ______.
【简答题】自由基聚合的特征为 , , , 。
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