16.Between the two generations，it is often not _________ their age，their education that causes misunderstanding.
A.like B.as C.or D.but
16.C 【解析】略。
17.—It’s a long time since I saw my sister.
—_________ her this weekend?
A.Why not visit B.why not to visit
C.Why not visiting D.Why don't visit
17.A 【解析】略。
18.—Can you read the sign，sir? No smoking allowed in the lift!
—_________ .
A. Never mind B.Don't mention it
C.Sure，I don't smoke D.Pardon me
18.D 【解析】略。
19.Mary’s close _________ to her sister made people mistake them for one another.
A.accuracy B.membership C.probability D.resemblance
19.D 【解析】句意：玛丽和她妹妹由于长得相像经常会被认错。A项accuracy意为“精确;准确”;B项membership意为“资格;会员的身份”;C 项probability意为“可能性;可能的结果”;D项resemblance意为“相似”。
20._________ to the question of refreshments，I should think lemonade and sandwiches will be enough.
A.Prior B.As C.Due D.According
20.B 【解析】句意：至于点心和饮料，我认为柠檬和三明治就足够了。as to (=with regard to 至于，关于) 是短语动词。因此选B。
皖公网安备：34180202000331号