1、单选题：
Water ___________ in seas, rivers and lakes.( )
选项：
A:Exists
B:lives
C:stays
D:keeps
答案: 【Exists】

2、单选题：
More natural resources should be made use of ___________ the ___________ need of energy.( )
选项：
A:to meet; increasing
B:to meet; increased
C:meeting; increased
D:meeting; increasing
答案: 【to meet; increasing】

3、单选题：
You will never know the result ___________ you try.( )
选项：
A:even though
B:in case
C:whenever
D:until
答案: 【until】

4、单选题：
The artist ___________ the headmaster gave a prize is the teacher __________ I have been taught for two years.( )
选项：
A:from whom; by whom
B:to whom; who
C:from whom; who
D:to whom; by whom
答案: 【to whom; by whom】

5、单选题：
In today’s market, ________ has never been tougher.( )
选项：
A:comparison
B:courage
C:company
D:Competition
答案: 【Competition】

6、单选题：
How can I meet my numbers despite the difficult market ________ ?( )
选项：
A:share
B:conditions
C:Tools
D:construction
答案: 【conditions】

7、单选题：
If a customer’s problems ________ future sales, they do what it takes to resolve them.( )
选项：
A:Change
B:help
C:effect
D:affect
答案: 【affect】

8、单选题：
An easy way to get started is to ________ a sale you’ve recently lost.( )
选项：
A:analysis
B:analyze
C:find
D:solve
答案: 【analyze】

9、单选题：
Being brutally honest with yourself can be ________, but top salespersons are willing to do it on a regular basis.( )
选项：
A:sad
B:strange
C:painful
D:happy
答案: 【painful】