车辆探测器、挡车器是出入口控制系统的主要设备
参考答案:错
-55起逐次加上1,得到一连串的数:-54,-53,-52,……,
(1)第100个整数是什么? (2)求这100个整数的和。
What should I _________ to him? He is very angry with me. [ ]
A. tell
B. say
C. talk
D. speak