—Liu Qian is good at doing the tricks with the cards.
—Yes, but if you watch carefully, you can see _______he does them.
A. who B. what C. which D. how
My bike is broken, so I have to go to school _________ my mother's.
A. by B. in C. on D. with
— What do you want to eat for lunch? I will prepare it earlier today.
— You_____, mum. Let’s go out to have something different.
A. mustn’t B. can’t C. shouldn’t D. don’t have to
—May I go swimming this afternoon?
— I'm afraid not _______ you have finished your homework.
A. if B. unless C. because D. but
I forgot to bring my pen, would you please lend ________ to me?
A. one B. that C. it D. this
2013年3月底在上海和安徽最先发现H7N9流感。2014年的春天已经来临，温度慢慢回升，我们还是要注意预防H7N9流感的。作为中学生，为了使自己远离疾病，我们在日常生活中应该怎样保持健康呢？请以”Protect Ourselves from the Flu”为题，根据提供的信息和要求写一篇短文。内容要点如下：
要求：1. 词数80左右。短文的开头和结尾已为你写好，不计入总数；
2. 短文须包括以上要点，但不要逐字翻译，可适当发挥使短文连贯、通顺。
3. 短文不得出现真实的人名或校名等相关信息。
Protect Ourselves from the Flu
The flu influences our daily life and health. What’s more, it can make people lost their lives. What can we do to protect ourselves from the flu?
If we do like that, we’ll have a happy and healthy life.
