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【简答题】
对于一种危害严重的疾病，采取针对病因的措施后，在评价其预防效果时应采用那些指标最合适?( ) A.死亡率 B.发病率 C.患病率 D.病死率 E.罹患率
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举一反三
【单选题】Why was the shouter mad about Somalia?
A.
Because food was sent to refugees in Somalia instead of those starving people like the shouter.
B.
Because he was a black man and he was angry with the American government.
C.
Because he was angry with Somalian pirates.
【单选题】Because of the mad cow disease, the European Union ______ a worldwide ban on British beef and beef product exports.
A.
challenged
B.
charged
C.
forged
D.
imposed
【单选题】Because of the mad cow disease, The European Union _______ a worldwide ban on British beef and beef product exports.
A.
challenged
B.
charged
C.
forged
D.
imposed
【单选题】The author pushed that man under the wheels of a trolley-car and ran because he .
A.
wanted to get rid of him
B.
could not help doing it
C.
was angry with the man
D.
almost became mad
【单选题】Linda's teacher was so mad _____ her because she made lots of mistakes in the test. [ ]
A.
at
B.
in
C.
on
D.
about
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