Since the launching of the first artificial ________ in 1957, thousands of “man-made moons” have been rocketed into(飞速进入) the Earth’s orbit.
satellite
举一反三
- Man has been polluting the earth from the time he first made fire, washed his clothes in the river and threw his waste on the ground. When land was used up or water became (1) , man moved on to another place.
- Ever since human beings have ______ the earth, they have made use of various kinds of tools. A: dwelt B: inhabited C: lingered D: perched
- _____ man first made use of electricity is not exactly known yet. A: Since B: Although C: Whether D: When
- The tortoise as far as I know has been on earth for thousands of years.
- Email has been one of Google’s features since the first day of the company.
内容
- 0
Thousands of people have been moving to Shenzhen since 1992, its population _________ to over 10,000,000. A: increasing B: increased C: has increased D: has been increased
- 1
The first circumnavigation of the Earth was made by the team led by _______.
- 2
How many concrete results have been achieved since the first Belt and Road Forum so far?
- 3
People have been having various kinds of marriage ceremony ever since people first lived on earth.
- 4
Ever since the 15th century attempts have been made to save Venice, but so far nobody has managed.