The author uses the example of middleman to show
A．market transactions are important in different countries.
B．dealers are needed in doing business.
C．middlemen can play great role in different transactions and different countries.
D．middlemen in different countries have different actions in business.
第1题：
Why do many of the boys avoid certain instruments?
A．Because they find it not challenging enough to play them.
B．Because they consider it important to be different from girls.
C．Because they find them too hard to play.
D．Because they think it silly to play them.
第2题：
People in different places use different body language, for example, in China, people usually()their heads to show their disagreement.
A、nod
B、shave
C、wave
D、shake
第3题：
Body language can sometimes lead to () since people of different cultures often have different forms of behavior. for sending the same message or have different interpretations of the same signal.
A、effectiveness
B、misunderstanding
C、agreement
D、communication
第4题：
第5题：
______ play a very important part in hydraulic systems by preventing interaction between different parts of the hydraulic circuit.
A.Motors
B.Check valves
C.Safety valves
D.Reducing valves
第6题：
Why would a clone not be identical to the "master copy"?
A、They are totally different persons.
B、The clone's cells, for example, would have energy-processing machinery that came from the egg, not from the person who was cloned.
C、They have different genetic source.
D、The clone’s cells can be productive.
第7题：
此题为判断题(对，错)。
第8题：
Which of the following is true ?
A. In different countries, the manners are the same .
B. Different manners in different countries .
C. Good manners are not important .
D. In Arabic countries we mustn’t be careful with our hands .
第9题：
Because of ______，no separation is needed for the cargoes destined for New York．
A.Their different packing
B.Their same nature
C.Their different destinations
D.Their different natures
第10题：
Oil is an important（）material which can be processed into many different products, including plastics.
Auncovered
Braw
Cfresh
Dcrude