问题描述：
1 His body is frail but all his____ are still sharp.
A facilities B powers C abilities D faculities
2 In his ____ to further his knoledge of the universe,man has now begun to explore space.
A expedition B chase C trail D endeavor
3 It ____ two choises:you can either stay here and obey me,or leave and never return.
A comes down to B comes down with C comes out with D comes in for
4 He had a great idea from his boyhood that one should ____ whatever one had begun.
A keep up B hold out C hang on D stick to
5 It is a universail rule that ___,strong periods in an economy give way to recession.
A presumably B increasingly C invariably D dominantly
A facilities B powers C abilities D faculities
2 In his ____ to further his knoledge of the universe,man has now begun to explore space.
A expedition B chase C trail D endeavor
3 It ____ two choises:you can either stay here and obey me,or leave and never return.
A comes down to B comes down with C comes out with D comes in for
4 He had a great idea from his boyhood that one should ____ whatever one had begun.
A keep up B hold out C hang on D stick to
5 It is a universail rule that ___,strong periods in an economy give way to recession.
A presumably B increasingly C invariably D dominantly
问题解答：
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