【单选题】______provides around 20%of the world’s electricity?
【单选题】'Better late than never'is a______that is very familiar to most English speakers.
【单选题】Better late than never, ______?
【单选题】根据《劳动法》规定,处理劳动争议的必经程序是()
【简答题】衡量测量精度的标准有哪些?距离误差一般采用什么误差标准来表示?
【单选题】--- I failed my driving test. --- Never mind. .
A.
Better luck next time.
B.
Better later than never
D.
Well begun is half done
【判断题】理想情况下 ,空气与水接触可以实现7个过程