attune       correlate       reorient       coordinate

5. My wife and I are very ______. We tend to wake up, eat and feel tired at the same times.

in sync       on sync       with sync        out of sync

答案 1. 阅读课文并回答问题。

1. What is a night owl?

A person whose natural rhythm is to wake and go to bed later.

2. What kind of health issues can occur as a result of social jet lag?

Social jet lag can cause a higher risk of heart disease and other metabolic problems

3. True or false: A person's sleep pattern is all to do with genetics.

False. Peoples sleep patterns are half determined by genetics and half by their age and environment.

4. How can a person reorient their body clock?

Manipulate their exposure to light. Take more sunlight in the morning and minimise artificial light in the evening.

5. Which word in the text means 'gradually become less and disappear'?

Dissipate. (We should feel sleepy as the light dissipates.)

2.  请在不参考课文的情况下完成下列练习。选择一个意思合适的单词填入句子的空格处。

1. It didn't take long for John to integrate into the team in his new role.

2. Do not deviate from the plan at all. People could get hurt

3. Minister, it is important you change your stance on this issue. You need to realign with public opinion or lose the election.

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