题目内容

You can distinguish between frogs and toads in the following way: frogs have s____bodies, long limbs, and a smooth skin, and toads have stouter bodies, short limbs, and dry skin. (细长的)

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From the airplane window l could see a w____of city streets. (网络)

Aunt Pat smiled at her little niece and b____her to eat. (吩咐,告诉)

Dr. Rich Hamiton is planning his own World Wide Web s____on the Internet to provide assistance to anyone who asks for medical help. (地方;站点)

lt is difficult to estimate the number of people doing part-time jobs o____. (作为兼职;秘密)

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