30. cancer is second only _b_ heart disease as a cause of death.
a of b to c with d from
43. it wasn't such a good dinner _c_ she had promised us.
a that b which c as d what
such … that … 如此… 以至于… ; sb + be + ___ + sth 空格处应为能加双宾语的动词;
加双宾语的动词的用法：动词 + sb + sth（主动形式）; sb + be + pp + sth（被动形式）;
59. american women were _d_ the right to vote until 1920 after many years of hard struggle. [the right to vote 选举权]
a ignored b neglected c refused d denied
deny v. 否认，拒绝;deny sb sth 拒绝给予某人某物;
44. they decided to chase the cow away _c_ it did more damage.
a unless b until c before d although
45. _b_ student with a little common sense should be able to answer the question.
a each b any c either d one
common sense 常识; each 这个词在英语中强调的是个体与众不同的特点;
any 这个词强调的是很多东西在一起的共性; either 两者之间任何一个;
31. the medicine is on sale everywhere. you can get it at _c_ chemist's.
a each b some c any d certain
46. all _d_ is a continuous supply of the basic necessities of life.
a what is needed b for our needs c the thing needed d that is needed
当all作定语从句的先行词时，从句只能用that来引导; all that = what
47. _a_ with the size of the whole earth， the highest mountain does not seem high at all.
a when compared b compare c while comparing d comparing
本题的关键是弄清compare与mountain的关系; when 可以直接加过去分词;
before（after） + being + 过去分词;