5.At this time your mind will be filled with such words as helpless, vacuous, choiceless, powerless.Such being the case, your only strategy is attention distracting.
6.The first could be the case if the product you are selling to these "senior types" is quite pukka, meaning that a barrow boy isn't the right person to sell it.
如果向那些"高管"们销售产品相当高端,那就可能属于第一种情况,就是说一个手推车适合销售这种产品。
7.The antipsychotic drug fluphenazine has a prolonged period of action when it is given by intramuscular injection, but not when it is given by intravenous injection.Suggest why this is the case.