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【简答题】
如下图,从一个大三角形中沿虚线剪下一个小三角形,剪下的小三角形的内角和是(    )度,剩余的四边形的内角和是(    )度。
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【判断题】根据《水污染防治法》规定,多层地下水的含水层水质差异大的,可以混合开采。
A.
正确
B.
错误
【判断题】In ten year’s time, all those youngsters will become grown-ups.
A.
正确
B.
错误
【单选题】In ten year’s time, all those youngsters will become__________.
A.
grown-ups
B.
growns-up
C.
growns-ups
D.
grown-up
【单选题】我校举办次数最少的比赛是 。
A.
英姿杯
B.
飞扬杯
C.
羽翼杯
【简答题】The world is running out of oil, and energy experts believe that there could be serious(short)____in ten year’s time.
【简答题】改错:It is predicted that in about ten year’s time, China can send man to the Moon.
【单选题】All these old houses_____ down in ten year’s time.
A.
will be pulled
B.
have pulled
C.
will be pulling
【简答题】求函数 在点 处的梯度是____ .,在____ 点处梯度为零.
【判断题】( ) PLC机锂电池电压印使降低至最低值,用户程序也不会丢失。
A.
正确
B.
错误
【简答题】The world is running out of oil,and energy experts believe that there could be serious(short)________ in ten year’s time.