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【单选题】
When the evidence is______, we can be more confident of the historical scenarios we propose when theories are weak or evidence scarce, we ought to be more______.A.
attainable… intolerant
B.
irrelevant … dissatisfied
C.
available … sophisticated
D.
plentiful… circumspect
E.
present… ungrateful
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举一反三
【单选题】The pregnancy test proved that she had ______ a baby.
A.
suppress
B.
conceived
C.
ample
D.
swap
【简答题】妊娠(pregnancy)
【单选题】There are many methods serving as tests for pregnancy, what has been mentioned in this video?
A.
Taking temperature
B.
Taking pulse
C.
Pregnancy test kit
D.
Ovary cycle calculation
【简答题】55）关系模式 P 的码是 A）（A，B，C） B（A，B，D） C）（A，C，D，G） D（A，B，C，D）
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