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
Scientists say it may be five or ten years______it is possible to test this medicine on human patients.
Scientists say it may be five or ten years______it is possible to test this medicine on human patients.
admin
2013-12-08
65
问题
Scientists say it may be five or ten years______it is possible to test this medicine on human patients.
选项
A、since
B、before
C、after
D、when
答案
B
解析
本题为习惯性用法题。英语中表示“花多长时间才发生某事”时,常用“it is/was…before”这一结构,即“在……以前花了多少时间”。所以应选择B)选项。
转载请注明原文地址:https://kaotiyun.com/show/nNDO777K
0
成人本科学位英语
相关试题推荐
TheordinaryfamilyincolonialNorthAmericawasprimarilyconcernedwithsheer(完全的,纯粹的)physicalsurvivalandbeyondthatit
Manyayoungpersontellsmehewantstobeawriter.Ialwaysencouragesuchpeople,butIalsoexplainthatthere’sabigdiff
Seventeenth-centuryhousesincolonialNorthAmericaweresimplestructuresthatwereprimarilyfunctional,carryingovertradit
Cyberspace(网络空间),datasuperhighways,multimedia—forthosewhohaveseenthefuture,thelinkingofcomputers,televisionand
Videorecordersandphotocopiers,eventicketmachinesontherailways,oftenseemunnecessarilydifficulttouse.LastDecember
Manyphysical-fitnessenthusiastsconsidertheEnglishChanneltobethesupremetestofaswimmer’sendurance.Duringthepast
If(one)(hadconsidered)thefinaldecisioncarefully,youwouldnothave(agreedto)signa(two-year)contract.
Theconcert______tonight.
Thegirlappeared______withthesmallworldherparentshadconstructedforher.
Thetrainwill______fromPlatform2at3:45onTuesdaymorning.
随机试题
厘米波治疗时哪层组织产热最多
逆变式高压发生器常用的整流方式是
A、增强西药降血脂药作用B、增强西药氨茶碱作用C、增强西药利胆药作用D、增强西药利尿药作用E、增强西药抗心率失常药作用黄连解毒汤可()。
货币的非基本职能有()。
WorkisaveryimportantpartoflifeintheUnitedStates.WhentheearlyProtestantimmigrantscametothiscountry,theybrou
构造主义认为,心理学的研究对象是()
学生实验报告主要包括几个部分?
活动头磁盘存储器的寻道时间通常是指( )。
August13th,2014DearSirs,Iamveryhappytoapplyforthepositionofsecretary,whichyouadvertisedinChinaDailyof
Peopleinloveusuallycan’t______theiridealizationoftheirloverfromthereality.WhichofthefollowingstatementsisNO
最新回复
(
0
)