1. When Xi Wang was born, she weighed just 100 grams.

当“希望”出生时，她的体重只有100克。

(1) 此处的weigh为动词，意为“重……”

Eg: 这只小狗重3千克。The little dog _____________ 3 kilograms.

(2) weigh的名词形式为weight，意为“重量”

the weight of… “……的重量”

Eg: 我的体重是60公斤。My _____________ is 60 kilograms.

你知道一头大象的重量吗？

Do you know ___________ ___________ __________ an elephant?

2. at four months old 在四个月大时

同义句为：when sb. was four months old 当……四个月大时

Eg: She could ride a bike when she was 6 years old.

= She could ride a bike __________ __________ ___________ __________.

3. She was not a small baby any more.

   not... any more 不再...

   我们不再是学生了。