131.Some people who are very intelligent and successful in their fields find _______ difficult to succeed in language learning.
A. which B. how
C. that D. it
132.The Ocean is more than 4000 miles _______.
A. wider B. widest
C. wide D. in wide
133.Now you can see _______ you should consult the dictionary last， not first.
A. which B. what
C. why D. how
134.In one type of laboratory test all the variables _______ one are controlled.
A. by B. and
C. but D. or
135.Small _______ it is， an atom can still be seen.中华考试网
A. that B. as
C. so D. where
参考答案：
131.正确答案：D答案解析：it在这里做形式宾语。句意为：一些在自己领域才智过人并且非常成功的人发现，在语言学习上取得成功是很困难的。
132.正确答案：C答案解析：空格处应该用形容词原形，more than 4000 miles wide：4000多英里宽。
133.正确答案：C答案解析：宾语从句。you should consult the dictionary last， not first：你应该最后查字典，而不是首先去查。
分析句意和各选项的意思可以看出，答案是C.see在本句中意思是“明白”。
134.正确答案：C答案解析：根据句子意思来确定答案，需要添入的词应该有“除了”的意思。句意为：在一类实验室测试中，除了一个变量外其余所有变量都在掌握之中。
135.正确答案：B答案解析：本句属于as/though引导的让步从句，将表语或状语提前(形容词， 副词， 分词， 实义动词提前)。
