首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
An international team of scientists is studying the problem of pollution and dust in Asia. One hundred thirty scientists from
An international team of scientists is studying the problem of pollution and dust in Asia. One hundred thirty scientists from
admin
2010-03-26
80
问题
An international team of scientists is studying the problem
of pollution and dust in Asia. One hundred thirty scientists
from twelve countries have gathered in the western Pacific
area to observe thick dust storms. They will observe the
dust storms which they mix with some of the world’s heaviest 【M1】 ______
pollution. The thickest dust storms in recent years
reported in Beijing, China and other Asian cities last spring. 【M2】 ______
The dust storms come from deserts in China and Mongolia. 【M3】 ______
This year, similar dust storms have began moving east 【M4】 ______
toward large Asian cities and the northwest Pacific Ocean.
The dust storms happen in winter over deserts high 【M5】 ______
below sea level. In the spring, the storms trove east, over large
dries in China, Japan and Korea. By summer, rainstorms break
up the dust and help increase pollution in the air. 【M6】 ______
The scientists plan observe the dust storms through the 【M7】 ______
middle of May. They are using research ships, airplanes, satellites
and instrument on the ground to gather information. 【M8】 ______
Aerosols(悬浮颗粒) are very small particles in the air.
The scientists are studying aerosols that contain sulfate(硫酸
盐) and carbon are produced by the burning of soft coal, wood 【M9】 ______
and plants. Barry Hubert of the University of Hawaii is the leading
investigators for the study. He says developing nations in Asia 【M10】 ______
use a mixture of fuels that are not used in other areas.
【M3】
选项
答案
come改成came
解析
此处考查时态的用法。根据上下文,这里的时态应该是过去式。
转载请注明原文地址:https://kaotiyun.com/show/80k7777K
0
大学英语四级
相关试题推荐
A、Becauseofnuclearwaste.B、Becauseofthewar.C、Becauseofenvironmentpollution.D、Becauseofhunters’continuingwhaling.
Whatisthescientists’newdiscovery?WhatissaidabouttherainfallinAmerica’sWest?
A、PhotocopythebookatSandsstore.B、Gobacktotheschoolbookstoreandlookneartheside.C、Gotothebookstorenearthesc
Peoplewithdepressiongotoseetheirdoctorsmoreoftenthanpeoplesufferingfromphysicalproblems.Amongtheelderly,chil
_____________(应当注意的是)thatpollutionhasbecomeoneofthethorniestproblemsinmanybigcities.
A、Recallingsomethingfromone’smemory.B、Conscience.C、Somethingaboutpreparatorymethodinexam.D、Man’smind.AWhat’sthe
A、Gatheringnon-relevantmaterials.B、Stealinganotherperson’sideas.C、Sharingnoteswithsomeoneelse.D、Handinginassignmen
______(直到失去健康)thatpeopleknowthevalueofhealth.
A、HesuggestedTomnottowritethenovelanylonger.B、HesuggestedTomtogotocinemaeverynight.C、HesuggestedTomtofoll
FifteenyearsagoMasco,asmallfamilyfirm,suddenlygrewfast.Asitgrew,themanagementrealizedthatchangeswereneeded.
随机试题
胆囊切除时,下列哪项不是胆总管探查的指征
双眼视觉
A、涩味B、甘味C、酸味D、苦味E、咸味水和土元生成
某办公楼设计合同经建设单位和设计方双方协商进行了变更,则该合同变更的效力应当表述为()。
学生品德不良的原因是什么?
为了显示一个窗体,所使用的方法为【】;为了隐藏一个窗体,所使用的方法为【】。
•ReadthefollowingarticleaboutthefourPsofthemarketingmixandthequestionsthatfollow.•ForeachQuestion15-20,ma
Climaticshiftsaresogradualastobeindistinguishableatfirstfromordinaryfluctuationsintheweather.
______enougharticles,Mr.Smithwasrefusedpromotioninhisacademictitle.
A、Allofthemarebigbutcheap.B、TheyareavailableontheInternet.C、Wecanbuythemfromastore.D、Ittakeshourstodownl
最新回复
(
0
)