There（）three plants in the corners of

1、Petroleum is a result of the（）of plant

Petroleum is a result of the（）of plant or animal matter in areas which are slowly subsiding.AdepressionBdescriptionCdestructionDdepositio

2、In some parts of the world there is of

In some parts of the world there is often a slight fall in tide during the middle of the high water period. The effect is to create a lon...

3、There are three kinds of goals: shor

There are three kinds of goals: short-term,medium-range and long-term goals. Short-range goals are those that usually deal with current activitie...

4、If you plant watermelon seeds in the s

If you plant watermelon seeds in the spring, you fresh watermelon in the fall.AeatBwould eatChave eatenDwill be eating

5、The people in this city have planted（）

The people in this city have planted（）trees along both sides of the streets.Aa great deal ofBmuchCa large amount ofDa lot of

6、There are three kinds of goals: shor

There are three kinds of goals: short-term,medium-range and long-term goals. Short-range goals are those that usually deal with current activitie...