The law requires all cars () for safety and efficiency.A.being tested regularlyB.to be regularly testedC.be regularly testedD.regularly tested - 牛搜题

题目

The law requires all cars () for safety and efficiency.

A.being tested regularly

B.to be regularly tested

C.be regularly tested

D.regularly tested

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更多“The law requires all cars () for safety and efficiency. ”相关问题

第1题：

When we are crossing the streets, we must look out ()cars.

A、to
B、for
C、at
D、of

参考答案：B
第2题：

网络安全中“安全”的含义()。

A.security（安全）
B.security（安全）和safety（可靠）
C.safety（可靠）
D.risk（风险）

参考答案：B
第3题：

Were both your （） cars ticketed on the same day?
Asister-in-law’s
Bsisters’-in-law
Csisters-in-law’s
Dsister’s-in-law

C
略
第4题：

MODS发生发展中,炎症反应失控的表现有

A、CARS
B、SIRS
C、MARS
D、CARS和SIRS并存
E、CARS＝SIRS

参考答案：ABCDE
第5题：

简述CARS的各项指标。

答案：
解析：
CARS是指可信度(Credibility)、准确度(Accuracy)、合理性(Reasonableness)和相关支持(Support).这是评价因特网上信息资源的四个最基本的指标。
可信度：作者的可信度;网上信息质量保证的依据;元信息。
准确性：时效性、全面性、针对性。
合理性：公正性、客观性、适度性、一致性。
相关支持：信息出处的判断、相关资料的确证、外部一致性的核查。
第6题：

查看cars数据；查看cars的类型查看cars的分量名

数据框 (Data Frame )

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