Andrew, my father's younger brother, will not be at the picnic, ___ to the family's disappointment.
A.much
B.more
C.too much
D.much more
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The chief reason for the population growth isn't so much a rise in birth rates ___ a fall in death rates as a result of improvements in medical care.
A.and
B.as
C.but
D.over
It is strictly ___ that access to confidential documents is denied to all but a few.
A.secured
B.forbidden
C.regulated
D.determined
When traveling, you are advised to take travelers' checks, which provide a secure ___ to carrying your money in cash.
A.substitute
B.selection
C.preference
D.alternative
电控动力转向系统可根据、等对转向助力实施控制,使动力转向系统在不同的行驶条件下都有最佳的。