下列选项中，（）是一个国家经济发展成功的关键因素。 A.控制人口 B.大量举债 C. 发布时间：2017-08-28 23:05 │ 来源：www.tikuol.com 题型：单项选择题 问题： 下列选项中，（）是一个国家经济发展成功的关键因素。A.控制人口B.大量举债C.比较自由的国际贸易D.丰富的自然资源
题型：单项选择题 Read and choose. (选出与图片相符的句子) ( ) 1. A. He likes listening to music. B. He likes drawing pictures. C. He likes playing football. ( )2. A. My sister went skating. B. my sister had a cold last week. C. My sister ate the turkey yesterday. ( )3. A. She's from Canada. B. She's from America. C. She's from China. ( )4. A. Let's play computer games. B. Let's take a picture together. C. Let's have an English lesson. ( )5. A. I can play the erhu. B. Keep in touch. C. This is Peter speaking. 查看答案
题型：单项选择题 两配电所之间的联络线，当两配电所可互为备用，即联络线有可能双方向送电时，应装设的开关设备是( )。A．一侧装设断路器，另一侧装设隔离开关B．开关一侧装设带熔断器的负荷开关，另一侧装设隔离开关C．两侧都装设断路器D．两侧都装设隔离开关 查看答案
