外语题库32021-05-07

Because of their chemical structure, synthetic dyes generally fade more slowly than natural ones.

查看答案解析

外语题库32021-05-07

A piece of wood is floating in the water.

查看答案解析

外语题库32021-05-07

The Mayan civilization flourished on the Yucatan peninsula of Mexico.

查看答案解析

外语题库32021-05-07

Baleen whales swim with their mouths open and obtain food by filtering the crustaceans and the smallest fishes from the water.

查看答案解析

外语题库32021-05-07

Potential computer buyers have come to expect versatility, energy efficiency, and simplicity as essential components of new equipment.

查看答案解析

外语题库32021-05-07

Biological oceanographers study how organisms live in the sea and how various species evolve and adapt to their environment.

查看答案解析

外语题库32021-05-07

The Imperial Palace of China, now one of the world's greatest museums was once the estate of the Chinese emperor.

查看答案解析

外语题库32021-05-07

More than 89 of the buildings in Annapolis, Maryland, were erected before the Revolutionary War.

查看答案解析

外语题库32021-05-07

When the first all-purpose computer was completed in 1946, no one could have foreseen the enormous impact it would have in the years ahead.

查看答案解析

外语题库22021-05-06

This watch is _______ by hand, not by machine, so it is very expensive.

查看答案解析

外语题库22021-05-06

Although many people view conflict as bad, conflict is sometimes useful it forces people to test the relative merits of their attitudes and behaviors.

查看答案解析

外语题库22021-05-06

There are signs restaurants are becoming more popular with families.

查看答案解析

外语题库22021-05-06

In some countries, is called “ equality ”does not really mean equal rights for all people.

查看答案解析

外语题库22021-05-06

It is essential that these application forms back as early as possible.

查看答案解析

外语题库22021-05-06

“You are very selfish. It’s high time you that you are not the most important person in the world,” Tom said to his boss angrily.

查看答案解析

外语题库22021-05-06

If the whole operation beforehand, a great deal of time and money would have been lost.

查看答案解析

外语题库22021-05-06

Before the first non-stop flight was made in 1949, it necessary for all planes for refueling.

查看答案解析

外语题库22021-05-06

By the end of this month, we surely a satisfactory solution to the problem.

查看答案解析

外语题库22021-05-06

This is the second time he Mr. Smith.

查看答案解析

外语题库22021-05-06

Ever since Picasso’s painting went on exhibit, there large crowds at the museum every day.

查看答案解析

外语题库22021-05-06

She wanted to go .

查看答案解析

外语题库22021-05-06

Helen was much kinder to her youngest child than she was to the others， ____ of course, made the others jealous.

查看答案解析

外语题库22021-05-06

The village I once worked has taken on a new look.

查看答案解析

外语题库22021-05-06

The day will come soon China will become a modern, powerful, socialist country.

查看答案解析

外语题库22021-05-06

All is a continuous supply of the basic necessities of life.

查看答案解析