A.She is a soldier.
B.She is an accountant.
C.She is a saleswoman
D.She is a road sweeper.
A.to save money.
B.to save energy.
C.to help the environment.
D.to make friends with poor peopl
开始考试点击查看答案A.He is 33 years old now.
B.He works at a Goodwill thrift shop.
C.He works at a Salvation Army thrift shop.
D.He was a college student many years ago
开始考试点击查看答案A.the night sky is brightly lit up and stars are black.
B.lights appear at night and stars are seen in the dark.
C.city lights at night illuminate stars in the sky.
D.city lights illuminate the night sky, making stars invisible
开始考试点击查看答案A.Animals may go off course.
B.It helps migrating birds find their homes.
C.Animals are afraid to go out after sunset.
D.It helps birds fall asleep.
开始考试点击查看答案A.the night sky there is too dark.
B.the once dark areas are also polluted by lights.
C.these areas are not polluted by chemicals.
D.these areas are less developed.
开始考试点击查看答案A.give clothing a second life.
B.generate in come for charities.
C.provide cheaper clothes for the poor.
D.stop rich people from wasting money
开始考试点击查看答案A.charity.
B.one dollar.
C.first class.
D.two dollars.
开始考试点击查看答案A.in the center of the earth.
B.on the surface of our planet.
C.in a very narrow range of temperatures
D.in the coastal areas of the earth.
开始考试点击查看答案A.remains almost unchanged.
B.has greatly increased in recent years
C.is decreasing constantly.
D.is affected by global warming.
开始考试点击查看答案A.is stored underground.
B.is in the form of ice at the Poles and on mountains
C.is found in rivers and lakes.
D.comes from the rain.
开始考试点击查看答案注册安全工程师注册安全工程师安全生产技术2013年安全工程师
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