首页
登录
职称英语
So many people use the cell phone so frequently every day. But【S1】______litt
So many people use the cell phone so frequently every day. But【S1】______litt
游客
2023-07-14
65
管理
问题
So many people use the cell phone so frequently every day. But【S1】______little is certain about the health effects of its use. Manufacturers【S2】______that cell phones meet government standards for safe radio-frequency radiation emission, but enough studies are beginning to document a possible【S3】______in rare brain tumors (肿瘤), headaches and behavioral disorders in children to cause concern. So far, the evidence isn’t【S4】______on whether the use of cell phones【S5】______to any increased risk of cancer. In a new trial, researchers asked 47 volunteers to【S6】______in a project to measure glucose (葡萄糖) consumption in the brain by scanning the brain to see how cells use energy. For both 50-minute scans, the volunteers had a cell phone【S7】______to each ear. During the first scan, the devices were turned off, but for the second scan, the phone on the right ear was【S8】______on and received a recorded-message call, although the volume was muted (消音) so the noise wouldn’t bias the results. The results of the second scan showed that the【S9】______of the brain nearest to the device had higher rates of glucose consumption than the rest of the brain. The study shows that cell phones can change brain activity, and【S10】______a whole new avenue for scientific inquiry, though it doesn’t say anything about whether cell-phone radiation can cause cancer.
A) conclusive I) mission
B) contributes J) participate
C) derive K) particular
D) expresses L) provides
E) fixed M) regions
F) immensely N) surprisingly
G) increase O) switched
H) maintain [br] 【S8】
选项
答案
O
解析
空格前面是动词was,后面是介词on,通过并列连词and之后的动词received可以断定,空格处所在的句子为拥有两个并列谓语的被动句,因此空格处需要填入动词的过去分词形式,与received构成并列成分。上句中提到第一轮扫描中,设备呈关闭状态,因此,第二轮的扫描中需要将设备开启,空格处应填入表示“开启,打开”等意义的动词,且需要与介词on搭配使用,由此可以确定,动词过去分词switched为本题答案,switched on意为“开启,打开”。空格处需要填入动词的过去分词形式,因此动词原形derive,maintain以及第三人称单数形式contributes,expresses,provides均可以直接排除,另一过去分词fixed意为“安装,固定”,与此处要表达的意思不符,也可以排除。
转载请注明原文地址:https://www.tihaiku.com/zcyy/2835281.html
相关试题推荐
[originaltext](26)Itiswhatfaileddietershavelongsuspected:Fatpeople
SomepeopledescribeAmericansocietyasasaladbowlwhileothersseeitas
SomepeopledescribeAmericansocietyasasaladbowlwhileothersseeitas
SomepeopledescribeAmericansocietyasasaladbowlwhileothersseeitas
Peopletravelforalotofreasons.Sometouristsgotoseebattlefieldsor
Peopletravelforalotofreasons.Sometouristsgotoseebattlefieldsor
Peopletravelforalotofreasons.Sometouristsgotoseebattlefieldsor
Peopletravelforalotofreasons.Sometouristsgotoseebattlefieldsor
Peopletravelforalotofreasons.Sometouristsgotoseebattlefieldsor
Peopletravelforalotofreasons.Sometouristsgotoseebattlefieldsor
随机试题
Themethodformakingbeerhaschangedovertime.Hops(啤酒花),forexample,
[originaltext]M:Andyou’vegotIFeelGoodVideo,right?W:(6)Afterthismorni
HandGesturesinDifferentCultures1.ThumbsupAmericaandEurope:a【T
PartⅡReadingComprehension(SkimmingandScanning)Directions:Inthispartyo
【B1】[br]【B13】A、dreamsB、wishesC、expectationsD、ordersC语义衔接题。liveout是“实现”的意思
风险管理策略的总体定位决定了风险管理策略的作用,下列属于风险管理策略作用的有(
某社区拟针对辖区内糖尿病患者开展健康教育干预活动,制定了用药、饮食、运动、血糖监
下列哪项是T细胞亚群分离时常用的方法A.尼龙毛柱分离法B.E花环分离法C.亲和板
组成中有芦荟的方剂是A.龙胆泻肝汤 B.蒿芩清胆汤 C.温胆汤 D.布袋丸
已知电气原则接线如下图所示(220kV出线未表示),当机组正常运行时,CB1、C
最新回复
(
0
)