问题
完形填空
One morning I wasted nearly an hour watching a tiny ant carry a huge feather. Several times, it 31 several obstacles in its path. And after a momentary pause it would make the necessary detour (绕道). 32 one point, the ant had to cross a crack about 10mm wide. After some 33 thoughts, the ant laid the feather over the crack, walked 34 it and picked the feather up on the other side, then continued on its way. I was 35 by the cleverness of this ant. It was only a  small insect, lacking in 36 yet equipped with a brain to reason, explore, discover and overcome. 37 this ant, like the othe r two-legged creatures 38 on the earth, also shares human failings.After some time the ant 39 reached its destination—a flower bed and a small hole that was the entrance to its 40 home. It was there that the ant met its 41 .How could that large feather possibly 42 such a small hole? Of course, it couldn’t. So the ant, after all this 43 and using great brightness, overcoming problems all along the way, just gave up the 44 and went home. The ant had not thought the problem through 45 it began its journey and in the end the feather was 46 more than a burden. Isn’t our 47 like that? We worry about our families; we worry about the 48 of money; and we worry about all kinds of things. These are all burdens—the things we pick up along life’s path, and drag them around the obstacles and over the cracks that life will bring, only to 49 that at the destination they are 50 and we can’t take them with us. 小题1:.
 . before D. once
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答案
小题1:.C
小题1:.A
小题1:.D
小题1:.A
小题1:.B
小题1:.A
小题1:.B
小题1:.C
小题1:.D
小题1:.A
小题1:.B
小题1:.A
小题1:.C
小题1:.D
小题1:.C
小题1:.A
小题1:.D
小题1:.B
小题1:.B
小题1:.C
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