广西拥有18个国家一类口岸和一系列边境开放合作平台,()规模居全国前列。
A、电子商务
B、期货贸易
C、边境贸易
D、国际贸易
参考答案:C
根据中文提示完成下列句子。
1. I want to take a __________ (照片) for you.
2. The weather today is __________ (晴朗的).
3. Danny hurts his __________ (鼻子).
4. Playing chess is very __________ (难的).
5. Don't __________ (担心) I can help you.
按钮和接触器同其它电器可组成控制电路,用以对电机进行()或停止控制。