Question

【题目】 Temperatures________ quite dramatically at night in mountains, so put on some warm clothes before going out.

A. are dropped B. drop

C. are being dropped D. have dropped

Answer 1

【答案】B

【解析】试题分析：句意：山里的气温晚上下降得厉害，所以出门前穿上一些暖和的衣服。山里的气温到晚上骤降是自然状况，应该用一般现在时的主动语态。故选B。