It can be a perfect mirror in certain lights, and the larger

A、It can help a team to get larger and larger.

B、It can prevent a team from breaking a record.

C、It can help a team to increase the chances of winning.

D、It can change any team into a famous team.

—Excuse me, but can you tell me the way to the post office? —_______

A、Don’t ask that.

B、Go stragiht down this street. Turn left at the first traffic lights. You can’t miss it.

C、No, I can’t say that.

D、No, you’re driving too fast.

Fear of being unpopular and having no friends can push customers to buy certain products.()

For details of these and other lights the larger scale charts and Admiralty Lists should be __.

A.considered

B.consulted

C.concluded

D.Commanded

-Shall I use your dictionary?

- ________.

A、Certain, you may

B、Of course, you can.

C、Surely, you can't

D、No, please get out

材料：What advantages does the eye have over the radar ？The eye has the following advantages： Reliable

Sensitive to color

Can assess heading

Can identify small targets

Can see light configurations

Can assess ship types

Can identify conspicuous marks

Can identify flashing lights Has better discrimination

Can see changing weather patterns

Can see effect of sea on vessel

Not affected by blind arcs (if observer moves)．

问题： BLIND ARCS mean ______ ．

A.the arcs from which one can not see certain objects

B.the arcs which are blind

C.the black arcs

D.the arcs from which one can see certain objects

This paragraph is a ______ ．A.a clause of a contract

B.an explanation of advantage of eyes over radar

C.a requirement from a government

D.an article of Colreg

DISCRIMINATION means the ______ ．A.provision

B.dimension

C.distinction

D.permission

The eye is more ______ than radar．A.distinguishable

B.reasonable

C.controllable

D.reliable

请帮忙给出每个问题的正确答案和分析，谢谢！

Certain kinds of wind can do harm to human health.()