首页
登录
职称英语
Most consumers are familiar with bar codes. Those black-and-white stripes ap
Most consumers are familiar with bar codes. Those black-and-white stripes ap
游客
2025-06-15
25
管理
问题
Most consumers are familiar with bar codes. Those black-and-white stripes appear on almost every product purchased. Often the codes are scanned at the checkout counter, causing the item name and its price to appear on (141) the cash register screen and the receipt. This gives a record to the consumer and helps store management monitor inventory.
Many delivery services use bar codes to track the progress of each envelope, package, or crate in transit. Every item (142) a bar code, which is read at a number of points from the moment it leaves the sender’s hands to the moment the recipient accepts the delivery.
An interesting use for the bar code has been developed by a scientist who works with bees. The scientist attached bar codes to the backs of individual bees in order to (143) them and to follow their movements. Laser scanners at the entrance of the hive read the bar codes to monitor how long each bee had been gone from the hive. By keeping (144) of individual bees, scientists hope to learn more about honey production. Knowing how far bees travel to gather pollen and how many trips they make back to the hive could eventually help beekeepers predict honey yields. [br]
选项
A、tracking
B、to track
C、tracked
D、track
答案
D
解析
观察选项可知,此处要选择track的恰当形式。再结合空格前后的内容可知,空格内应填入一个名词,故应选(D)track。keep track of是固定搭配,意为“追踪…的行踪”。
转载请注明原文地址:http://tihaiku.com/zcyy/4119983.html
相关试题推荐
Pleaserefamiliarizeyourselveswiththefollowingpoolsafetyprecautions.Asa
Pleaserefamiliarizeyourselveswiththefollowingpoolsafetyprecautions.Asa
Mostconsumersarefamiliarwithbarcodes.Thoseblack-and-whitestripesap
StarStruckIfyou’renotastargazer,you【K7】______notbefamiliarwiththebe
Underthenewlaw,consumersareentitledto______ifproductsmalfunctionorfai
Thesedays,everybodybuyscomputersoftware.Consumerspurchaseallkindsofso
Thesedays,everybodybuyscomputersoftware.Consumerspurchaseallkindsofso
Thesedays,everybodybuyscomputersoftware.Consumerspurchaseallkindsofso
Mr.Stevensorderedfull-colorbrochures______theblack-and-whiteonesheprevi
______thestateoftheeconomythesedays,mostconsumerscannotaffordtobuy
随机试题
Totheyoungergeneration,hungerwasan______concept,havingnevermissedamea
Americanstodayhavedifferenteatinghabitsthantheyhadinthepast.Ther
施工进度控制是一个系统、静态的过程。因此,在施工前应认真编制,在施工中只需要进行
关于奥美拉唑,哪项错误A.是目前抑制胃酸分泌作用最强的 B.抑制胃壁细胞H泵作
A.软膏剂B.黑膏药C.橡胶硬膏D.凝胶膏剂E.贴剂以亲水性高分子材料为基质的是
可导致肝硬化的物质包括 A.四氯化碳B.辛可芬C.蛋氨酸D.胆碱类物质
实现银行账户利率风险控制的方法不包括()。A.表内方法 B.表外方法 C.表
银行可以对借款人采取终止提款措施的情况包括( )。A.挪用贷款 B.未按合
(2017年真题)施工中发生的下列与材料有关的费用中,属于建筑安装工程费中材料费
某工程双代号网络计划如图所示,其中工作E的最早开始时间和最迟开始时间为()
最新回复
(
0
)