if引导的条件状语从句 — 英语词汇题
题目
用括号中所给动词的适当形式填空，每空一词。(1) If the temperature on Mars ___ (drop) to minus 60℃, the robots will stop working. (2) The astronauts ___ (have) a picnic outside if the weather on Mars is fine tomorrow.
《Unit 4 Life on Mars》其他练习题
选择题
People use robots to study Mars. Choose the sentence with the same meaning. A. R…
选择题
In the future, humans may live on Mars. Because the gravity on Mars is much weak…
填空题
用所给动词的适当形式填空：More space stations ______ (build) on Mar…
选择题
For this test, a rover can move only when it has power. The rover is moving. Whi…
填空题
On Mars, a person must wear a special suit that supplies air and protects the bo…
词汇题
At the Mars base, clean water ______ (store) in large tanks.
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if引导的条件状语从句