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【简答题】
根据下图写出锦葵科的花程式,写出此科的重点特征并写出四种代表植物。
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举一反三
【单选题】During the weeks of discussion, delegations from groups who are interested in the resolution may call on representatives to XXX their point of view
A.
prepare for
B.
in favor of
C.
Stand up for
D.
Speculate about
【单选题】The weather turned out to be fine. I the trouble to carry the umbrella with me.
A.
should have taken
B.
needn’t have taken
C.
mustn’t have taken
D.
could have taken
【单选题】光纤规格62.5/125中的62.5表示
A.
光纤包层直径
B.
允许通过的最高频率
C.
光纤中允许通过的光波波长
D.
光纤的直径
【单选题】第一个作为重组DNA载体的质粒是
A.
pBR322
B.
ColE1
C.
pSC101
D.
pUC18
【简答题】During the weeks of discussion, delegations from groups who are interested in the resolution may call on representatives to stand up for their point of view.
【单选题】古代医学家把医学称之为( )
A.
仁术
B.
医术
C.
人术
D.
技术
E.
技艺
【简答题】转换为同义句。 1. They're having fun in the zoo. They're having a _______ ________. 2. Can I help you? _______ can I _______ _______ you? 3. I like the English corner very much. I like the English corner ___...
【判断题】改革开放是当代中国最鲜明的特色
A.
正确
B.
错误
【单选题】多媒体计算机是()的核心设备。
A.
自习室
B.
网络教学平台
C.
多媒体教室
D.
网吧
【单选题】冷原子吸收法测汞的原理是,汞原子蒸汽对( )的紫外光有选择性吸收,在一定浓度范围内吸光度以汞浓度成正比。
A.
253.7nm
B.
235.7nm
C.
257.3nm
D.
237.5nm
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