POS机间联和直联方式的区别,以下说法正确的是()。
A、间联只能使用外卡
B、间联可以使用所有的信用卡
C、直联和间联都需要签订入网协议
D、直联和间联的费率标准不一致
参考答案:D
读六大板块图回答
(1)写出下列板块的名称:
A C D E F
(2)图中几乎全为海洋的板块是 (写名称)。
(3)图中可以看出世界两大火山地震带 是和 ,多处于板块与板块的________地带,该地带容易发生__________和___________。
(4)板块构造学说认为:世界最高峰______________,是由于_________板块和__________板块的__________形成的。
单词拼写。
1. Art is _______(I) favourite lesson.
2. China is a great country with a long ________(历史).
3. My mum always has a lot of ________(家务活) to do.
4. The first lesson ________(开始) at 7:15 in the morning every day.
5. Do you often ________ (完成) your homework before dinner?
6. How many _________(课) do you have every day?
7. I usually have rice _________ (和) vegetables and meat.
8. Talk ________(关于) Jack's school day .
9. Do you have ________(化学) today?