现在完成时的被动语态
一、、根据所给词的提示，用现在完成时的被动语态填空：
1.Over time I__________________(change)quite a lot.
2....,I ___________(use) in offices and homes since the 1970s.
3....I never forget anything I _________________(tell)!
4.Since the 1970s,many new applications _____________________(find) for me.
5.I ___________(put)into robots and used to make mobile phones as well as help with medical operations.
6.More than 5,000 used bikes__________(collect)since the two brothers set up the or ganization.
7.Since the cause of this disease___________(discover),now we need to develop the medicine to treat it.
8.Over the past ten years, this town___________________(hit)twice by earthquakes.
9.—Will the lecture be held at 4 o’clock this afternoon?
—No.It ____________(put off)till tomorrow afternoon.
10.H er novel is very popular among people of all ages;so far it __________(translate) into 25 languages.
二、作文
假如你叫李华。

你的好朋友简最近发现自己在发胖，很苦恼。

她写信请你给她就如何避免这一情况提建议。

请你根据下面的内容给简写一封信，词数100左右：
1.要保证健康饮食；
2.多参加锻炼；
3.喝足够的水；可适当增加细节以使行文连贯。