【单选题】What do some scientists say about taking medicines for the common cold according to the passage?
A.
It is good for people.
B.
It actually does more harm than good.
C.
It can help people keep healthy.
D.
It can give them more energy.
【判断题】如果用钢丝绳夹制作绑扎钢丝的接头,绳夹的鞍形部分应装在活动载荷段,"U”形螺栓应装在静载或缩短端段
【单选题】Some people viewed the findings with caution, noting that a cause-and-effect relationship between passive smoking and cancer remains______ .
【单选题】------How do you like the film we saw yesterday ? ------________, I am pleased with it though some parts are boring.
【判断题】如果用钢丝绳夹制作绑扎钢丝的接头,数量不得少于三个,其间距不小于15Omm