4. We can assume that by the end of the 21st-century, global warming is likely to cause an increase in the earth’s temperature of around degrees Celsius.
A: 2-5
B: 1
C: 3-4
D: 4
A: 2-5
B: 1
C: 3-4
D: 4
举一反三
- Global warming refers to the increase in the average temperature of the earth's near surface air and oceans in recent decades and its projected continuation.
- Since the beginning of the 21st century, more than ____ of the increase of the world's greenspace comes from China. A: 1/2 B: 1/3 C: 1/4 D: 1/5
- count=5while(count>1): print(count,end="") count-=1输出是什么 A: 1 2 3 4 5 B: 2 3 4 5 C: 5 4 3 2 1 D: 5 4 3 2
- From the middle and late 15th century to the age of the great navigation at the end of the 17th century, civilized humans reached and initially recognized about____of all the land on the earth’s surfa A: 2/3 B: 7/10 C: 4/5 D: 9/10
- 39号元素钇的核外电子排布式是下列排布中的（ ） A: 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 10 4 s 2 4 p 6 4 d 1 5 s 2 B: 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 10 4 s 2 4 p 6 5 s 2 5 p 1 C: 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 10 4 s 2 4 p 6 4 d 2 5 s 1 D: 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 10 4 s 2 4 p 6 5 s 2 5 p 1