首页
登录
职称英语
Sunspots, vortices of gas associated with strong electromagnetic activity, are v
Sunspots, vortices of gas associated with strong electromagnetic activity, are v
游客
2024-01-13
44
管理
问题
Sunspots, vortices of gas associated with strong electromagnetic activity,
are visible as dark spots on the surface of the Sun but have never been sighted on
the Sun’s poles or equator.
选项
A、are visible as dark spots on the surface of the Sun but have never been sighted on
B、are visible as dark spots that never have been sighted on the surface of the Sun
C、appear on the surface of the Sun as dark spots although never sighted at
D、appear as dark spots on the surface of the Sun, although never having been sighted at
E、appear as dark spots on the Sun’s surface, which have never been sighted on
答案
C
解析
本题考到介词on与at的区别。on表示在某一个面(平面或面)上;而at表示在某一点或线上。pole是一个点,equator是一条线,A、B、E中在poles和equator之前用介词on是不妥的。C和D比较,D有两个缺陷:(1)on短语本应是地点状语修饰appear,却被改为定语修饰dark spots;(2)在公理中说过:having been done=done,前者不简洁。不过,本题若不知道at与on的这一细微差异,也可用其他方式来判别。首先A、B中的visible与其后的have neverbeen sighted是前后矛盾的。E中:which很可能被认为是指代dark spots而不是sunspots。同时,用which从句取代了原句的让步状语从句,改变了句意。另外,A、B、D、E中on the sun’ssurface/on the surface of the sun的位置均是错误的。
转载请注明原文地址:https://tihaiku.com/zcyy/3357606.html
相关试题推荐
Alargepartofhumanactivity,particularlyinrelationtotheenvironment,is
Hedoesmorningexerciseseveryday______makehimselfstrong.A、inorderthatB、i
Atsometimeinyourlifeyoumayhaveastrongdesiretodosomethingstr
Atsometimeinyourlifeyoumayhaveastrongdesiretodosomethingstr
Atsometimeinyourlifeyoumayhaveastrongdesiretodosomethingstr
OnJuly20,1969,NeilArmstrongbecamethefirstpersontowalkonthe
OnJuly20,1969,NeilArmstrongbecamethefirstpersontowalkonthe
Alargepartofhumanactivity,particularlyinrelationtotheenvironment,is_
Asmileisastrongsignofafriendlyandopenattitudeandawillingnesst
Hewasold________quitestrong.A、andB、orC、butD、ifC句意:他虽然年纪大了,但还很强壮。因为前面的old和
随机试题
YouwillhearDr.MarvinCheung,IndependentNon-executiveDirectorofHang
Whichoftheitalicizedpartsfunctionsasasubject?A、Itsuddenlyoccurredtom
Britain’sSystemofEducationTheBritishCommonwealthincl
Boyslike______girlswhoarebeautiful.A、atypeofB、thattypeofC、thosetype
Smoking(know)________toincreaseaperson’sriskofdevelopinglungcancer.is
Aninternetisacombinationofnetworks
关于抗HBcIgM,下列正确的叙述是A.由HBV的表面抗原刺激产生B.阳性具有
药物连续应用时,组织中的药物浓度有逐渐升高的趋势,这种现象称为A.配置 B.消
2003-132.下列方剂中,组成药物含有人参的是 A.小柴胡汤B.大建中汤
四氯化碳中毒 淀粉样变性B.纤维素样变性C.玻璃样变性D.黏液变性E.脂肪变性
最新回复
(
0
)