1.Why are the windows round on ships?
举一反三
- There is no doubt ______ the earth goes round the sun. A: whether B: that C: if D: why
- 下列能对1/3保留两位小数的函数为（） A: =round(1/3,2,1) B: =round(1/3;2) C: =round(1/3,2) D: =round(1/3,-2)
- 中国大学MOOC: Why did Al Gore use a variety of writing modes in Ships in the Desert? Because he wanted to ______.
- It is a well-established fact _____ the earth travels round the sun. A: That B: Which C: What D: why
- 表达式Round（7.8）+Round（-7.6）的结果是（）。 A: 15 B: -1 C: 1 D: 0