单项选择题D
单项选择题According to the health and safety law, employers must _______ .
单项选择题F
单项选择题Why is it important for employers to take stress seriously
单项选择题A. A supermarketB. A concert hall.C.A racetrack.
单项选择题It is stated in the first paragraph that _________.
单项选择题Henry is a beggar. He has the habit of picking up cigarette ends left by other people. He can always make one new cigarette out of seven ends. One Saturday night he ollected 49 cigarette ends. The next day he made them into cigarettes and smoked them all. How many whole cigarettes did he smoke that day
单项选择题A. A repair man.B.A friend.C. A retailer.
单项选择题A.Both of them.B.The boyC.The girl.
单项选择题A.The boss is unfair to him.B.He has been ill.C.He has too much to do.