It’s not easy ____ me ____ finish walking a 100-kilometer trail within 48 hours

Chongqing is about 350 ____ away from Chengdu. A: meters B: kilometers C: centimeters D: kilometer

中国大学MOOC: Find out the missing words from the dialogue in the Video Story.Actually this tower is another ________ spot, about 1 kilometer away.

It can be concluded from information contained in the text that the average temperature at an altitude of I kilometer above the Earth is about ______. A: 15℃ B: -18℃ C: 2.5℃ D: 9℃

A plane can't fly to the moon because ______. A: the moon is 240 kilometer far away B: we don't know where it is C: it can't fly without air D: there is no air on the moon

—The 55 kilometer HZMB（港珠澳大桥）opened to the public on Oct. 24th. 2018. —It is ________ cross-sea bridge in the world, linking Hong Kong, Zhuhai and Macao. A: long B: longe C: longest D: the longest

In particular, ofo sharing bikes, after continuous improvement and scheme optimization, launched an ofo bicycle to meet market demand, which led to a great entrepreneurial success, and also solved the problem of the last kilometer in the city, and made urban travel more convenience.‎‎‎

In particular, ofo sharing bikes, after continuous improvement and scheme optimization, launched an ofo bicycle to meet market demand, which led to a great entrepreneurial success, and also solved the problem of the last kilometer in the city, and made urban travel more convenience.

In particular, ofo sharing bikes, after continuous improvement and scheme optimization, launched an ofo bicycle to meet market demand, which led to a great entrepreneurial success, and also solved the problem of the last kilometer in the city, and made urban travel more convenience. A: 正确 B: 错误

",i,j,k);} A．100 100 100 B．16 100 100 C．256 100 64 D．256 100 100