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【单选题】
多电子原子的原子轨道能级顺序随着原子序数的增加将( )A.
轨道能量逐渐降低,但能级顺序不变
B.
轨道能量基本不变,但能级顺序改变
C.
轨道能量逐渐增加,能级顺序不变
D.
轨道能量逐渐增加,能级顺序也改变
E.
轨道能量逐渐降低,能级顺序也会改变
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举一反三
【单选题】Both diet and exercise ______ blood pressure.
A.
effect
B.
affect
C.
afflict
D.
affirm
【简答题】____________(众所周知), a balanced diet and exercise keep one fit and healthy.
【单选题】Health is frequently thought to be ______with a balanced diet and plenty of exercise. [ ]
A.
stupefied
B.
laden
C.
blessed
D.
associated
【简答题】阅读理解。 Diet Coke, diet Pepsi, diet pills, no-fat diet, vegetable diet… We are surrounded by the word 'diet' everywhere we look and listen. We have so easily been attracted by the promise and potential ...
【单选题】A diet with no exercise is bad for the health, because it will ________ a loss of both fat and muscle tissue. [ ]
A.
result from
B.
make up
C.
result in
D.
end up
【简答题】行业发展的三大核心竞争力是什么?
【简答题】Hearing problems may. be alleviated be changes in diet and exercise habits
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