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
During the period 1490~1979 the main progress mentioned in this passage was ______. Siebe’s invention was not a perfect one, be
During the period 1490~1979 the main progress mentioned in this passage was ______. Siebe’s invention was not a perfect one, be
admin
2009-06-24
44
问题
During the period 1490~1979 the main progress mentioned in this passage was ______.
Siebe’s invention was not a perfect one, because ______.
选项
A、too great a supply of air could result in a sudden rise to the surface
B、a sudden dive into deep water could cause the crushing of the body
C、the air pipe attached to a machine could be above the surface
D、Both A and B.
答案
D
解析
由第三段中的But there were two dangers to...One was...The other was...可知,hard-hat suit有两大危险,答案选项表述的正是这两个方面,故正确。
转载请注明原文地址:https://kaotiyun.com/show/CrHd777K
本试题收录于:
公共英语五级笔试题库公共英语(PETS)分类
0
公共英语五级笔试
公共英语(PETS)
相关试题推荐
WorkingMothersCarefullyconductedresearchesthathavefollowedthechildrenofworkingmothershavenotbeenabletoshow
SchoolingandEducationItiscommonlybelievedintheUnitedStatesthatschooliswherepeoplegotogetaneducation.Neve
ScienceandTechnologyThereisadifferencebetweenscienceandtechnology.【B1】______Sciencehastodowithdiscoveringthe
A.alotofmoneyB.BritishpeopleC.morningD.localpeopleE.nationalissuesF.localissuesManylocalnewspapersinBritainar
Whatdoestherecentpollshow?WhichofthefollowingisNOTexpectedofapartneraccordingtothispassage?
Accordingtothepassage,avolcanosendsoutThephrase"stayalive"inthelastparagraphcanbestbereplacedby
Wederiveknowledgemainlyfrombooks.
FederalDepositInsuranceCorporationBefore1933,andparticularlyduringtheperiod1929—1933,bankfailureswerenotunco
Divorcedoesn’tnecessarilymakeadultshappy.Buttoughingitoutinanunhappymarriageuntilitturnsaroundjustmight,ane
随机试题
Sr3(PO4)2的溶解度为1.0×10-6mol/L,则其Ksp值为()。
引起白血病的间接致癌物是
A、利多卡因B、阿司匹林C、后马托品D、异丙嗪E、金刚烷胺上市后开发新适应证用于强化麻醉的药物是
在签订房地产买卖合同时,房地产经纪人应提示双方注意的细节不包括()。[2010年考试真题]
甲、乙两个施工单位组成施工联合体投标某图书馆工程,甲为施工总承包一级资质,乙为施工总承包二级资质。则下列说法错误的是()。
下列说法错误的有()。
在参加2007年物业管理师考试的人员情况统计中,总量指标是()。
Iamdiscoveringthatmanypeoplewant,aboveallelse,tolivelifefully.Butsometimesthepastprohibitsourlivingandenjo
给定资料1.D村是J县西部一个具有千年历史的传统村落,秦皇古驿道就从D村东西的两个阁楼穿村而过,自古以来为晋冀交接之通衢,交通便捷。村中现有文化遗产丰富,明清式民居、庙宇、阁楼、桥梁等尤为引人注目,有“三桥四阁七庙”之称。村中已申请到省级非物质文
设函数则在x=0处f(x)()
最新回复
(
0
)