【单选题】Which statement is the main idea of paragraph 1? Which statement is the main idea of the first paragraph?
A.
It is difficult to predict climate change.
B.
Human activities are resposible for global warming.
C.
There is a dispute about global warming.
【单选题】Which statement about Belgium is NOT true
A.
Which statement about Belgium is NOT true? A.it is twice as big as Beijing.
B.
it has two major ethnic groups.
C.
it has gone through quite a few threats of division.
【判断题】甲注册会计师审计b公司长期借款业务时,为确定“长期借款”账户余额的真实性,可以进行函证。函证的对象应当是b公司的主要股东。()
【单选题】比特率是指数字信号的传输速率,它的表示单位是