—Football by the British at the beginn

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问题选择题

—Football by the British at the beginning of last century.

—That’s probably why football is one of the most popular games in England. [ ]

A. was invented

B. invented

C. was inventing

D. invents

答案

答案：A

填空题

根据所给汉语提示，写出下列单词的正确形式。

1. These ___________ (猴子) like bananas very much.

2. ___________ (春季) is my favourite season.

3. It's a ___________ (阳光充足的) day. How hot it is!

4. Thirty-five plus fifteen is ___________ (五十).

5. My uncle has two ___________ (女儿).

单项选择题

约定真值可以通过（）途径获得。

A．校准

B．检定

C．更高准确度等级的测量仪器

D．多次测量