What is the news item mainly about
A coalition is raising money for the quake.
B. The volunteers have experienced a natural disaster.
C. The quake has killed hundreds and destroyed many buildings.
D. Volunteers have headed to Padang, the hardest-hit city in the quake.
查看答案
组成木脂素类化合物的基本碳架是
A. C6-C3-C6
B. (C6-C3)x2
C6-C2-C5
D. C6-C1-C6
E. C6-C4
How many people were killed when Islamist militants hijacked plane crashed into the Defense Department headquarters
A. 111
B. 184
C. 181
D. 84
Which statement of University of Maryland is INCORRECT
A. College Park is its flagship college.
B. It’s a state-run school.
C. It’s a prestigious school.
D. It’s in western America.
可使还原糖显棕黑色的显色试剂是
A. 三苯四氮唑盐
B. 苯胺一邻苯二甲酸盐
C. 3，5-二羟基甲苯一盐酸
D. 硝酸银
E. 过碘酸一联苯胺
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