对于未取得临时使用证或者使用证的通信导航监视设备,设备使用单位不可以使用。
参考答案:对
单词拼写:根据下列句子及所级汉语注释,写出空缺处各单词的正确形式。(每空只写一词)
1. The course will start in ______ (十二月).
2. She ______ (提醒) me that I hadn't written to Mother.
3. I hope to be back in a ______ (两星期).
4. My ______ (最喜欢的) colour is green.
5. The baby in the next room ______ (睡醒) and began to cry.
6. ______ (水桶) are often used for holding and carrying water.
7. They look like the teeth of a ______ (凶猛的) animal.
8. It is ______ (危险的) for children under five years old to be left alone at home.
9. Because of this special experience, he was chosen to be an ______ (助理) to the president for
energy affairs.
10. Two years later, he left his parents and entered a ______ (医学的) college.
静园小区有住户家中发现了白蚁。除非小区中有住户家中发现白蚁,否则任何小区都不能免费领取高效杀蚁灵。静园小区可以免费领取高效杀蚁灵。 如果上述断定都真,则以下哪项据此不能断定真假 Ⅰ.静园小区有的住户家中没有发现白蚁。 Ⅱ.静园小区能免费领取高效杀蚁灵。 Ⅱ.静园小区的住户家中都发现了白蚁。
A.只有Ⅰ。
B.只有Ⅱ。
C.只有Ⅲ。
D.Ⅰ、Ⅱ和Ⅲ。