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【单选题】
Which of the following is true according to the third paragraph?
A.
The giant impact basins of the Caloris and that of the moon are all the same.
B.
The giant impact basins of the Caloris are filled with dark lava to form. maria.
C.
MESSENGER found a new patterning of impact basin in Mercury.
D.
Solomon found natural drill holes in the suce of the moon.
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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Which of the following is true of the impact of high product quality on competitive advantage?
A.
It decreases the utility of the products.
B.
It lowers unit costs of the products.
C.
It adversely affects employee productivity.
D.
It limits the company's ability to differentiate its products.
E.
It increases the need for after sales services.
【单选题】To assist separation of low viscosity oils steam coils or electric heaters are fitted ______ of the oily water separator.
A.
in entrance
B.
in exit
C.
in the upper part
D.
on the outside