有一道可以根据”difficultyin” VS “difficulty of” rule out 3个选项。剩下的2个选项很好区分。
查了LONGMAN,difficulty in 和of都对,不知道该怎么区分了,考过的没考过的帮帮我把:
dif?fi?cul?ty S1 W1plural difficulties 1 [uncountable] if you havedifficulty doing something, it is difficult for you to do have/experience difficulty(in) doing something They had great difficulty in finding a replacement. with/without difficulty He got to his feet with difficulty. ! Do not say that someone 'hasdifficulty to do something'. Say that someone has difficulty doing something orhas difficulty in doing something. 2 [countable usually plural] aproblem or something that causes trouble difficulty with Thereare several difficulties with this theory. 3 [uncountable] if you are indifficulty, you are in a situation in which you have problems in difficulty The business is in financial difficulty. get/run into difficulty (=get into a difficult situation) She soon got into difficulty with debt. 4 [uncountable] the quality of beingdifficult to do the difficulty of (doing)something the difficulty of solving such problems 5 [uncountable] how difficultsomething is: The tests vary in difficulty.