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【单选题】
A true bearing of a charted object，when plotted on a chart，will establish a ______.A.
fix
B.
line of position
C.
relative bearing
D.
range
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举一反三
【单选题】Which of the following is an example of the unethical use of computers?
A.
Employees failing to answer a large number of e-mail messages due to network problems.
B.
Employees searching organizational databases for information on celebrities and friends.
C.
Employees sending messages without spell checking and proofreading them.
D.
Employees updating their passwords at the end of every month.
【简答题】100g瘦猪肉蛋白质含量为20.3%,脂肪含量为6.2%,碳水化合物含量为1.5%,请计算100g瘦猪肉的热量(单位为千卡)。
【简答题】Question 1 through 3 are based on the following news. ( )1. A. Internet use is increasing quickly in rural and areas. B. More and more rural residents have Internet access. C. People have a ...
【简答题】accident /ˈæksɪdənt/ n.
【单选题】Which of the following statements best describes the use of letters, e-mails, and memos in business today?
A.
Businesses use memos to deliver positive messages internally and externally, but they use a formal business letter to deliver negative messages.
B.
E-mail delivers most internal communication, hard-copy memos deliver most external communication, and letters communicate only legal issues.
C.
Despite the popularity of e-mail, in certain situations letters remain the preferred channel of communication for delivering messages outside an organization.
D.
Businesses today use e-mail, memos, and letters interchangeably for all audiences, purposes, and messages.
【判断题】一般动物性食品残留高于植物性食品,脂肪含量多的食品高于脂肪含量少的食品, 猪肉高于牛肉、羊肉、兔肉,淡水产品高于海水产品,植物性食品中的污染程度为油料作 物>粮食>蔬菜>水果。
A.
正确
B.
错误
【简答题】accident [ˈæksɪdənt]
【简答题】accident [ˈæksɪdənt]
【判断题】畜肉的营养 水分含量60—70%,蛋白质10—20%,比一般植物性食品(豆类除外)高,氨基酸与人体需求基本一致,为优质蛋白质,与植物性食品混合吃,达到互补,营养价值更高;脂类比较高,猪肉>羊肉>马肉(狗肉)>牛肉>驴肉>兔肉;碳水化合物含量不多,矿物质含量丰富,瘦肉高于肥肉,内脏高于瘦肉;维生素以B族维生素和维生素A为主。
A.
正确
B.
错误
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