题目内容

What machines in the following use the technology “voice recognition”（）

A. Translators
B. Driverless cars
C. Robots
D. Smartphones

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How many content words are there in the following sentence？ My phone screen is smashed to pieces（）

A. Four
B. Five‍
C. Thre‍
D. Six

In the reserves of Zimbabwe and South Africa, annual culls （选择性宰杀） are already ______（）

A. variation
B. schedule
C. routine
D. route

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A. 闪退
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C. 屏幕碎了
D. 中毒了

To further confuse the issue, there is an enormous____ in the amount of sleep people feel happy with（）

A. variety
B. variation
C. variability
D. variable