286.Be careful how you_____that jug,it will break very easily.
A.pour B.operate C.handle D.employ
[答案]C.handle.
[注释]handle意为“用手拿......”:Wash your hands before you handle my books.
287.We suddenly saw the bus about to leave and had to run_____to catch it.
A.hardly B.awkwardly C.hard D.strongly
[答案]C hard.[注释]run hard意为“使劲跑”，句中hard是副词。Hardly“几乎不“，是否定副词，与本题不符。
288.He hated the war so much that he decided to leave the army_____.
A.for long B.once in a while
C.for good D.once upon a time
[答案]C.for good.
[注释]for good(=permanently)永久地:He says he's leaving the country
for good.for long长久地。按本题题意，用for long不妥。once upon a time从前。once in a while偶尔。
289.This year the farmers were just able to gather in the_____before the fine weather came to an end.
A.collection B.harvest C.flower D.plant
[答案]B.harvest.
[注释]gather in“收获(庄稼)”:The farmers are gathering in the corn.
290.A successful scientist needs_____if he wants to make hypothesis(假设)of how processes work and how events take place.
A.permission B.penetration
C.imagination D.convention
[答案]C.imagination.
[注释]imagination想象力；penetration穿透；permission允许;convention惯例，常规。
