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
As if you needed another reason to hate the gym, it now turns out that exercise can exhaust not only your muscles, but also your
As if you needed another reason to hate the gym, it now turns out that exercise can exhaust not only your muscles, but also your
admin
2019-03-14
28
问题
As if you needed another reason to hate the gym, it now turns out that exercise can exhaust not only your muscles, but also your eyes. Fear not, however, for coffee can stimulate them again. During【C1】______ exercise, our muscles tire as they run out of fuel and build up waste products. Muscle performance can also be affected by a【C2】______ called " central fatigue" , in which an imbalance in the body’s chemical messengers prevents the central nervous system from directing muscle movements【C3】______ It was not known, however, whether central fatigue might also affect motor systems not directly【C4】______ in the exercise itself, such as those that move the eyes. To find out, researchers gave 11 volunteer cyclists a carbohydrate {碳水化合物)【C5】______ either with a moderate dose of caffeine (咖啡因) , which is known to stimulate the central nervous system, or as a placebo (安慰剂) without, during 3 hours of【C6】______ After exercising, the scientists tested the cyclists with eye-tracking cameras to see how well their brains could still【C7】______ their visual system. The team found that exercise reduced the speed of rapid eye movements by about 8% ,【C8】______ their ability to capture new visual information. The caffeine, the equivalent of two strong cups of coffee, was【C9】______ to reverse this effect, with some cyclists even displaying【C10】______ eye movement speeds. So it might be a good idea to get someone else to drive you home after that marathon.
A) cautiously I) phenomenon
B) commit J) preventing
C) control K) sensitive
D) cycling L) slowing
E) effectively M) solution
F) increased N) sufficient
G) involved O) vigorous H) limited
【C9】
选项
答案
N
解析
空格前为系动词was,空格后为动词不定式标志to,故本空需要填入一个形容词。上文中提到coffee can perk them right up again(喝咖啡可以让你的肌肉和眼睛重新振作起来),所以,相当于两杯浓咖啡的咖啡因足够彻底改变眼睛疲劳了。备选项中只有sufficient(足够的,充分的)符合句意,故答案为N。
转载请注明原文地址:https://kaotiyun.com/show/AO47777K
0
大学英语四级
相关试题推荐
ANDREWCARNEGIE,a19th-centurytycoon,famouslysaidthat"inheritedwealthdeadenstalentsandenergies"—onereasonwhyhegav
A、Takesomeextratime.B、Dowritingexercise.C、Dosomeworkforanothercourse.D、Writethestoryendingfirst.B信息明示题。女士说,教授
A、Itisreasonable.B、Itshouldbenotmorethan$3.99plustax.C、Itshouldnotbethathigh.D、$3.99shouldalsoincludethew
A、Theyaccountforthelargestproportion.B、90percentofthemarereasonable.C、Mostofthemarefordelayedairtickets.D、Fe
Asfoodistothebody,soislearningtothemind.Ourbodiesgrowandmusclesdevelopwiththe【C1】______ofadequatenutritious
Asfoodistothebody,soislearningtothemind.Ourbodiesgrowandmusclesdevelopwiththe【C1】______ofadequatenutritious
Asfoodistothebody,soislearningtothemind.Ourbodiesgrowandmusclesdevelopwiththe【C1】______ofadequatenutritious
随机试题
投资项目方案经济比选中,计算期相同的互斥方案可以采用的比选方法有()。
监理合同在履行过程中,由于非监理方的原因导致双方在“工程建设监理合同”中写明的日期未能完成预定的全部监理业务,则监理责任期应理解为( )。
某桥上部为3×25m预应力钢筋混凝土连续箱梁,下部为圆柱式墩,桩基础。桥面宽度为8.5m,桥面纵坡3.5%,双向横坡1.5%,桥梁高度24m。地基土层从上到下依次为杂填土、砂岩。施工过程中发生了如下事件。事件1:项目经理部决定采用盘扣式支架
期货公司董事长、监事会主席、独立董事离任后到其他期货公司担任董事长、监事会主席、独立董事的,应当重新申请任职资格。()
根据个人所得税的有关规定,下列表述不正确的是()。
下列关于资产负债表“预收账款”项目填列方法表述中,正确的是()。
风筝是中国传统工艺品,也是()。
目前我国教师职业道德的缺失是要求加强师德教育的一个重要原因。下列哪项不是师德缺失的具体表现?()
计划经济不等于社会主义,资本主义也有计划;市场经济不等于资本主义,社会主义也有市场。邓小平这一论断的内涵是()
Itisnotlongsinceconditionsinthemineswereworsethantheyarenow.Therearestill【C1】______afewveryoldwomenwhoin
最新回复
(
0
)