Question

请英语高手帮帮忙:英语选择题

1.When confronted with such questions,my mind goes___,and I can hardly remember my own date of brith.
(A)dim (B)blank (C)faint(D)vain
2.It is well known that knowledge is the___condition for expansion of mind.
(A)incompatible (B)incredible (C)indefinite (D)indispensable
3.As your instructor advised,you ought to spend your time on something___researching into.
(A)precious (B)worth (C)worthy (D)valuable
4.The remarkable___of life on the Galopagos Islands inspired Charles Darwin to establish his theory of evolution.
(A)classification (B)variety (C)density (D)diversion
谢谢

Answer 1

B blank是大脑一片空白。D indispensable不可缺少的，说明知识是开阔眼界不可缺少的。C sth后得加adj.首先worth是动词，先排除，找些有价值的事情做用worthy(值得的)，precious是珍贵的，valuable是值钱的。B variety多样性，是生物多样性

Answer 2

1. B 脑中一片空白
2. C 无穷的
3. B worth doing sth / worthy of doing sth.
4. B 物种多样性
很有难度的选择题嘛，四六级的？

Answer 3

1、B
2、D
3、C
4、B

Answer 4

bdcb