单项选择题


Questions 19—22

A． $2.50.
B． $9.
C． $8.
D． $7.
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问答题
各地的用水量都在上升，人类已经在使用54%的江湖淡水和地下水，一些人估计这个比率到 2025年将达到70%。[听力原文]Everywhere, water use is increasing. Humans already use fifty-four percent of all the fresh water found in rivers, lakes and underground. There are some estimates that this rate will reach seventy percent by two-thousand- twenty-five.
单项选择题
A． I dropped coffee on Jack in the company.B． I was surprised to find Jack owns a company.C． I didn’t expect Jack had visitors when I arrived.D． I was inviting Jack to drink coffee in the company.
A． I dropped coffee on Jack in the company.
B． I was surprised to find Jack owns a company.
C． I didn’t expect Jack had visitors when I arrived.
D． I was inviting Jack to drink coffee in the company.
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