[单项选择]The reason for the 800 million people going to bed hungry is that
A. there is no enough food for everyone.
B. they have no access to grow or buy food.
C. they are lazy and don’t want to grow food.
D. they are used to receiving others’ aid.

[简答题]More than one million young people in Britain are unemployed, the highest number since the mid-1980s.

[单项选择] The reason people exist at all is because of two important things, memory and language, which have been vital in the evolution (进化) of humanity. As an example, our ancestors needed language to explain how to light a fire to keep their caves warm, and a memory to remember how to do it So we have a memory because if we didn’’t we would never have evolved far enough for you to ask this question in the first place! So, how does it work Well the processes involved in human memory are very complex. People sometimes compare the human brain to a computer, and memory to floppy discs, but this is a bit misleading. Despite big advances in recent years memory is still a bit of mystery, and there are disagreements among the experts about exactly what is going on. Memory is seen as a function of the brain and is defined as the ability to store and retrieve information. But there is no particular bit of the brain which is thought to be where data is stored. Many people think that ther
A. Because our ancestors needed memory to explain their activity.
B. Because our ancestors needed memory to remember how to do things.
C. Because there were always disagreements among our ancestors.
D. Because our ancestors needed to create something.

[单项选择]When are the two people going to meet
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