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英文 补充句子使用use to / in order to / for 补充句子1 Scientists do expe

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英文 补充句子
使用use to / in order to / for 补充句子
1 Scientists do experiments
2 Astronauts landed on the moon
3 Teachers give tests
4 Babies cry loudly
1.Scientists do experiments in order to verify their predictions and hypothesis.
Sicentists do experiments for the development of us human beings.
Scientists do experiments used to test this newly invented machine's quality.
2.Astronauts landed on the moon in order to get mineral samples.
Astronauts landed on the moon for collecting samples.
3.Teachers give tests used to review what we have learned.
Teachers give tests in order to push us to study hard.
Teachers give tests for ranking.
4.Babies cry loudly in order to catch other's attention.
Babies cry loudly for food.