2. What is causing a lot of allergies in US households?  

3. Name two symptoms that might indicate you are allergic to something.

4. How often should you vacuum your mattress, according to Brendan Boor?

5. What phrase means 'to get rid of something'? 

2.  请你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. We were drifting in the lifeboat and our boat had already __________ by the time the rescue boats arrived.

sank        sunk        sinked        sinking

2. Try not to __________ me for the next half an hour. I'm going to lie down and have a sleep.

disappoint        distinguish        distract        disturb

3. The average __________ income of a British family has risen slightly.

household        houseful        householder        house

4. I came up in a nasty red rash after eating those strawberries. I must be __________ to them.

allergenic        allergic        irritated        immune

5. Dust around the home can often __________ reactions such as sneezing and a runny nose.

begin        trigger        set up        target

答案 1.  阅读课文并回答问题。

1. True or false? According to the article, beds are not the secure places we thought they were.

【How safe is your bed? 你的床安全吗？】相关文章：

★ A sense of belonging 归属感

★ Would you let your baby sleep in a box? 你愿意让自己的宝宝在盒子里睡觉吗？

★ Are you addicted to your phone? 你是不是玩手机上瘾了？

★ Why do cities make us rude? 为什么城市会让人变得无礼？

★ Like reality, only better? 喜欢现实, 只会更好?

★ The rise of the emoji 表情符号的兴起

★ Is breast cancer linked to night shifts? 乳腺癌与上夜班有关系吗？

★ How to live longer 怎么才能长寿

★ To lie through your teeth 睁眼说瞎话

★ You're pulling my leg! 你在愚弄我！