We must____ that the experiment is controlled as rigidly as possible.

For this part, you are allowed 30 minutes to write a short essay entitled

How to solve the Energy Problem 

You should write at least 120 words following the outline given below:

1.有人认为解决能源危机的方法是节约。

2.有人则认为开发新的能源是最好的方法。

3.我的看法。

今天早晨来找小杨的那个人你认识吗?

你最好把毛衣穿上，外边相当冷。

他们告诉我，到年底他们在一起工作就要满三十年了。

她还太小不能回答这个问题。

据报导明年那里要修建一条新铁路。

The poverty line is the lowest income that people need for an acceptable standard of living. People with income below the poverty line are considered poor.

The government collects taxes from the non-poor and gives money to the poor. These payments to the poor are called welfare.

There is another conversation which from our point of view is equally important, and that is to do not with what is read but with how it is read.

Things like earning a master's degree don't make people happy over an extended period of time.