[单项选择]Besides genes, our skin color has much to do with ______.


A. exercise
B. weight
C. food
D. sunshine

[单项选择]A person' s psychological______ has much to do with his or her happiness in life.
A. state
B. territory
C. interest
D. nation

[单项选择]Our university has introduced sound personnel evaluating system with less emphasis on age______.

[单项选择]Our department has a large collection of books,are on literature.（）
A. many of which
B. many ones
C. many of them
D. where

[单项选择]At present much more stress has been laid ______ law and order by the local government.

[单项选择]The company used so much coal that it has a train to ______ the delivery process.
A. transmit
B. transport
C. facilitate
D. diminish

[单项选择]Our association, which has consistently pressed for greater employment opportunities for the disabled, will publish ______ proposals in the near future.
A. their
B. our
C. his
D. its

[单项选择]

A piece of writing giving instructions has much in common with the explanation of a process, (36) it is addressed to a different reader and (37) a different purpose. The reader is someone who may be expected to (38) the process, and the purpose is to enable (39) to perform it properly rather than (40) to understand it. In one sense of the world, (41) seem to mean the same thing (42) orders; but there is a difference between ordering a person to (43) something and telling him (44) to do something. The two possibilities are not mutually (相互地) exclusive, and (45) may be called for on some occasions. (46) our context, however, giving instructions means giving (47) rather than giving orders, (48) such information may sometimes be expressed in the imperative (命令地) (49) .
In technical writing (50) instructions is usually a (51) of telling how to perform some physical p
A. what
B. why
C. when
D. how