【单选题】工件的装夹在虎钳时,应尽量夹在钳口的 。
【多选题】When developing a paragraph by example,we should select enough examples that are ().
【判断题】从某种程度来讲,高铁是改革开放以来中国发展出的几个能改变整个21世纪国内国际政治经济基本格局的战略产业之一。()
【简答题】免疫防御功能过低将引起________。
【简答题】A.When we are tired. B.When we have a balanced diet. C.When we can relax. D.When we do regular exercise.
【单选题】We have __________ to the government for a home improvement loan.