【名词&注释】
胡萝卜(carrot)、征求意见(solicit opinions)、化学式(chemical formula)、推理判断题
[单选题]46_____.
A. find
B. read
C. collect
D. keep
查看答案&解析
举一反三：
[单选题]According to the author，handwritten notes _______.
A. are harder to teach in schools
B. attract more attention
C. are used only between friends
D. carry more message
[单选题]What a fine day! Shall we go picnicking?________. But we need to be home before six o’clock for the football match..
A. Have a nice time.
B. Pardon me
C. That’s great
D. You are right
[单选题]
A. hard
B. best
C. extra
D. first
[单选题]胡萝卜的花序为复伞形花序。( )
A. 正确
B. 错误
[单选题]Electro-Robo can do all the following EXCEPT .
A. sitting down
B. shaking hands
C. talking
D. walking
[单选题]
B． sunny
C． cool
D． windy
A. rainyB． sunny
B. cool
C. windy
[单选题]用足量的CO还原13．7 g某铅氧化物，把生成的CO2全部通入到过量的澄清石灰水中，得到的沉淀干燥后质量为8.0g，则此铅氧化物的化学式是：
A. PbO
B. Pb2O3
C. Pb3O4
D. PbO2
[单选题]若坡度从10°增大到15°，则a点的数值将
A. 增大
B. 减小
C. 先减小后增大
D. 先增大后减小
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