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【单选题】
What do Kumar‘s words suggest? 查看材料A.
He believes people will always like eating chocolate.
B.
He thinks he should explore more flavors of chocolate.
C.
He cares about the result of the study very much.
D.
He worries that people will eat less chocolate.
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【多选题】Why does the author say what they see is an increasingly appalling landscape? (Para. 5)
A.
There's smoke on the horizon, the blaze of battle fading.
B.
We pass by deserted villages, solitary, burned-out houses.
C.
We pass battlefields dense with the garbage of abandoned war equipment, bombed-out railway stations, overturned cars.
D.
It smells of gunpowder, and of burning, decomposing meat after a massacre. Everywhere are the corpses of horses.
【简答题】减压阀是一种利用液流流过缝隙产生压力损失,使其( )口压力低于( )口压力的压力控制阀。