1.I ___ with thanks the help of my colleagues in the preparation of this new column.

A. express B. confess C. verify D. acknowledge

2.Mrs. Green has been living in town for only one year, yet she seems to be ___ with every one who comes to the store.

A. accepted B. admitted C. admired D. acquainted

3.The discussion was so prolonged and exhausting that ___ the speakers stopped for refreshments.

A. at large B. at intervals C. at ease D. at random

4.Most good writers use every means ___ to make the reader´s way smooth and easy.

A. at their disposal B. at their request

C. at their will D. at their convenience

5.Care should be taken to decrease the length of time that one is loud continuous noise.

A. subjected to ___ B. filled with C. associated with D. attached to

6.Among the many subjects in school, mathematics is probably the most ___ , depending least on a student´s back ground and culture.

A. universal B. abstract C. arbitrary D. concrete

7.A good teacher must know how to ___ his ideas.

A. convey B. display C. consult D. confront

8.China Daily never loses sight of the fact that each day all of us ___ a tough, challenging world.

A. encounter B. acquaint C. preside D. confront

9.A friendship may be ___ , casual, situational or deep and lasting.

A. identical B. original C. superficial D. critical

10.Our readers are comfortable with our clear, ___ words that inform and entertain them.

A. conventional B. concise C. creative D. crucial

答案：D D B A A    A A D C B