一条12.2kbps语音业务的上行链路可以占用()码道。
A、1个
B、2个
C、3个
D、4个
参考答案:A
阅读下面的短文,在标有序号的空白处填入一个适当的词,或填入括号中动词的适当形式。
I know how easy it is to start smoking and how difficult it is to stop. During adolescence, I became 79 to cigarettes. When l was young, I didn't know that it could do 80 to my heart and lungs. Neither did I know that my cigarette smoke could affect the 81 of non-smokers. However, what I did know was that my girlfriend thought I smelt terrible and that she wouldn't go out with me again 82 I stopped. 1 also noticed that I became breathless quickly. Then I knew 83 was time to quit smoking. I'm sending you some advice to help you 84 your resolve. Every time you feel like 85 (smoke), remind yourself that you are a non-smoker. I know it is not easy to get rid of the 86 , but millions have managed 87 (quit) and so can you. Keep trying, and you will 88 eventually.
CTCS-2列控系统应答器运行温度范围为-40℃~()。
A、+50℃
B、+60℃
C、+70℃
D、+80℃