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【单选题】
导致慢性病发病的 不可 改变的危险因素是 :A.
缺乏体力活动
B.
吸烟、过量饮酒
C.
遗传
D.
不合理膳食
E.
精神紧张
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举一反三
【单选题】The fact that she was foreign made ______ difficult for her to get a job in that country.
A.
this
B.
that
C.
her
D.
it
【单选题】小概率事件指的是
A.
指发生概率 P ≥ 0 .5 的随机事件
B.
指一次实验或者观察中绝对不发生的事件
C.
在一次实验或者观察中发生的可能性很小的事件，一般指 P ≤ 0 .05
D.
以上说法均不正确
E.
A 和 C 正确
【单选题】The view that the yield of rice remains steady is by no means______, owing to the fact that yearly tempests overflowing Asia influence it in______manner.
A.
uncertain … a capricious
B.
uncontested … a predictable
C.
unrealistic … a catastrophic
D.
convincing … a redundant
E.
infallible … an erratic
【单选题】The fact that passengers passing British airports will double or even triple indicates that
A.
the British aviation industry is growing very rapidly.
B.
more and more British people tend to choose flying when traveling.
C.
the aviation industry develops much faster than other industries in developed countries.
D.
the aviation industry will cause more pollutants when compared with other industries.
【单选题】The author's attitude toward reading was probably influenced most strongly by the fact that______.
A.
her mother loved to read:
B.
her house was located near the library
C.
she liked going to the library
D.
she liked the librarian
【单选题】The loss of American dynamism concerned by the author is mainly manifested in the fact that______.
A.
American young are more indolent than their counterparts in other countries
B.
America suffered from a higher rate of unemployment than other countries
C.
More American young are out of work than their counterparts in other countries
D.
American young are obssessed with the incessant quest for material comforts
【单选题】The fact that different drags used in the study are almost equally effective indicates that ______.
A.
doctors have not found the best drug to treat depression
B.
doctors can prescribe several drags to the patient
C.
the brain mechanism of depression is very complicated
D.
depression is caused by the imbalance of brain
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