2019屆高考英語單項(xiàng)選擇題精講
解析：從most probably.可以看出是很可能, must表示一定
17. if you don’t wait _______ the red light, you will be punished by the policeman.
a. at b. under c. for d. on
解析：at 意為“看見”
18. ________ doesn’t seem to have been much difficulty in solving the problem.
a. it b. that c. there d. he
解析：這是there be句型一種比較復(fù)雜的表現(xiàn)形式，由下列各句逐步形成：
there is much difficulty in solving the problem.
there seems to be much difficulty in solving the problem.
there seems to have been much difficulty in solving the problem.
there doesn’t seem to have been much difficulty in solving the problem.
e.g. there used to be a big tree in front of the old house.
there happened to be a foreign teacher there.
there is said to be no life on the moon.
there must have been something wrong with the machine.
19. are the parents who let their child who is ______ walk in the dark alone at night considerate?
a. young enough b. too young to c. not old enough to d. so young
解析：分析句子結(jié)構(gòu)，who is so young 在句為修飾的定語,另有l(wèi)et sb.do sth.
20. if you want to sell your product you must _____ it.
a. advertise b. advertise for c. advertise on d. advertise to
解析：advertise sth. 為……登廣告， 登廣告宣傳…… advertise for sth.(sb.)登廣告征求或?qū)ふ夷澄锘蚰橙?br> 比較：advertise jobs 登廣告招人 advertise for jobs 登廣告求職
21. ----any news about bill clinton?
----he left power three years ago and has a little now and a little then been ______.
a. heard of since b. heard since c. heard before d. heard of before
解析：答句可改為i have heard of him a little now and a little then since he left power three years ago.→
he has a little now and a little then heard of since he left power three years ago.
22. professor liu has ________ teach psychology since he came to the central china normal university.
a. determination to b. been determined to c. been determining to d. determined to
解析：since引導(dǎo)的時(shí)間狀語從句強(qiáng)調(diào)主句謂語動詞動作的持續(xù)性。
23. the idea for the new machine came to mr. baker ______ to his invention recently.