六级英语

Merchant and passenger ships are generally required to have a life preserver for every person aboard and, in many cases, a certain percentage of smaller sizes for children. According to United States ...

A hundred years ago it was assumed and scientifically “proved” by economists that the laws of society made it necessary to have a vast army of poor and jobless people in order to keep the economy ...

Most of us are taught to pay attention to what is said—the words. Words do provide us with some information， but meanings are derived from so many other sources that it would hinder our effectiven...

Which is safer-staying at home， traveling to work on public transport， or working in the office? Surprisingly， each of these carries the same risk， which is very low. However， what about fly...

What we know of prenatal development makes all this attempt made by a mother to mold the character of her unborn child by studying poetry， art， or mathematics during pregnancy seem utterly impossi...

The discovery of the Antarctic not only proved one of the most interesting of all geographical adventures， but created what might be called “the heroic age of Antarctic exploration”。 By their ...

Let children learn to judge their own work. A child learning to talk does not learn by being corrected all the time; if corrected too much， he will stop talking. He notices a thousand times a day th...

We can begin our discussion of “population as global issue” with what most persons mean when they discuss “the population problem”： too many people on earth and a too rapid increase in the n...

When you’ve had plenty, you might offer to clear the table or wash the dishes. But since you’re the guest, your hosts may not let you. Instead, they may invite everyone to move to the living room ...

I’ve been writing for most of my life. The book Writing Without Teachers introduced me to one distinction and one practice that has helped my writing processes tremendously. The distinction is betwe...