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【单选题】
It had been a long time______ I saw him again.
A.
when
B.
 while
C.
before
D.
since
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参考答案:
举一反三
【判断题】凡含碳量大于 2.11% 的液态合金冷至 1148 °C时,均发生共晶转变。
A.
正确
B.
错误
【简答题】There is a big tree in front of my house. A black bird lives in the tree. Every day I take some food to the tree. The bird sees me and comes down. The food is in my hand. The bird comes to my hand and...
【简答题】情景交际。 A. There is something wrong with you. B. Shall I take some medicine? C. Have a good rest. D. You have got the flu (流感). E. What's the matter with you? F. Shall I have much water? G. How long has...
【简答题】赶年是土家族的传统节日,就是比汉族提前一天或几天过春节。( )
【单选题】— ______ I take some photos in the hall? — No, you ______. [     ]
A.
Can; needn't
B.
Must; mustn't
C.
Could; wouldn't
D.
May; mustn't
【判断题】赶年是土家族的传统节日,就是比汉族提前一天或几天过春节。
A.
正确
B.
错误
【单选题】— I take some photos in the hall? —No, you . [     ]
A.
Can; needn't
B.
Must; mustn't
C.
Could; won't
D.
May; mustn't
【单选题】土家族的传统节日有()。
A.
火把节
B.
泼水节
C.
女儿节
D.
牛王节
【单选题】关于水平角观测,说法正确的是( )。
A.
盘左盘右观测取平均值,可以消除对中误差
B.
目标在视线方向上偏心,影响水平角结果
C.
度盘分化误差可以通过多测回观测减弱其影响
D.
水平角观测时,不须竖盘指标水准气泡居中
【单选题】土家族的传统节日是( )。
A.
赶秋节
B.
打背节
C.
跳香节
D.
赶年
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