the late 20th century, only a few people used cell phone.
A: At
B: On
C: In
D: Of
A: At
B: On
C: In
D: Of
举一反三
- In the years from ___________the late 19th century to the early 20th century, when James lived and was engaged in literary creation, the major American and European capitalist countries entered the stage of imperialism. A: the late 17th century to the early 18th century B: the late 18th century to the early 19th century C: the late 19th century to the early 20th century D: the late 20th century to the early 21th century
- One of the best ______ of the 20th century is the mobile phone.
- 2. Why does the author think give up cell phone and e-mail account is not a good choice? A: Because they are great for what they are designed to do. B: Because his friend was busy talking on his cell phone. C: Because they can be used anywhere and anytime. D: Because people lose their intimacy of interaction.
- Which of the following security policies is BEST to use when trying to mitigate the risks involved with allowing a user to access company email via their cell phone？（） A: The cell phone should require a password after a set period of inactivity. B: The cell phone should only be used for company related emails. C: The cell phone data should be encrypted according to NIST standards. D: The cell phone should have data connection abilities disabled.
- What is said about cell phone use in paragraph 4 A: .The number of cell phones in use exploded in the late 1980s and part of the 1990s. B: The number of traffic deaths was reduced in the late 1980s and part of the 1990s due to cell phone use. C: Cell phone users are likely to be involved in traffic accidents. D: The use of cell phones has a life-saving effect for pedestrians and drivers.