相对于“初生演替”和“次生演替”，“群落演替”属于（　　）。

As there is less and less coal and oil, scientists are exploring new ways of making use of _______ energy, such as sunlight, wind and water for power and fuel.

2023-08-04 从业资格教师从业资格

John’s score on the test is the highest in the class; he _____ last night.

2023-08-04 从业资格教师从业资格

The_______ of the system of regional autonomy for ethnic minorities has underground long periods of exploration and practice.

2023-08-04 从业资格教师从业资格

The back garden of our house contains a lawn, ______ very pleasant to sit on in summer.

2023-08-04 从业资格教师从业资格

All the flights ______ because of the snowstorm, we had to take the train instead.

2023-08-04 从业资格教师从业资格

______ native to North America, corn has now spread all over the world.

2023-08-04 从业资格教师从业资格

It has been proposed that we ______ our decision until the next meeting.

2023-08-04 从业资格教师从业资格

We feel it is high time that the Government ______ something to check the inflation.

2023-08-04 从业资格教师从业资格

Hurricanes are severe cyclones with winds over seventy five miles an hour ______ originate over tropical ocean waters.

2023-08-04 从业资格教师从业资格

The earnings of women are well below that of men ____educational differences that are diminishing between the two sexes.

2023-08-04 从业资格教师从业资格