圈专表示仅办理专用线、专用铁路()。
A、整车发到
B、整车到达
C、整车、零担发到
D、整车、零担到达
参考答案:A
用所给单词的适当形式填空。
1. My favourite (sport) are soccer and basketball.
2. I often wear (run) to play soccer
3. How much (be) a pair of shoes ?
4. I want (learn). Can you teach me ?
5. Do you have (some) balls ?
由淀粉水解生成葡萄糖,怎样用实验证明:
(1)淀粉尚未水解______
(2)淀粉部分水解______
(3)淀粉完全水解______.