【简答题】通过ZigBee无限网络将终端节点采集到的温度或者湿度数据发送给协调器,协调器收到数据后,通过串口将其输出到用户PC机。
【单选题】听力原文:Why does the woman want to be transferred to another department? (14)
B.
She is unsatisfied with her present job.
C.
Nora isn't good at her job.
D.
She can't stand her co-worker, Nora.
【判断题】在Windows 7的各个版本(家庭普通版、家庭高级版、专业版、企业版、旗舰版)中,支持的功能都一样。
【简答题】在每个进程中访问____的那段代码称为临界区。
【简答题】在每个进程中访问临界资源的那段代码称为______。
【简答题】在每个进程中访问①的那段代码称为临界区。为实现对它的共享,应保证进程②进入自己的临界区,为此,在每个进程的临界区前应设置③,临界区后应设置④。
【单选题】听力原文:(Woman) Hello, Juan. This is Helen Luna at Magnum Heating Supplies. I've been going over our customer records, and I see that you currently use our Model 200 filters for your heating systems. I'm...
A.
She wants to upgrade her heating system.
B.
She wants to find out a price.
C.
She wants to sell a product.
D.
She wants to have a filter repaired.
【单选题】中国人丁俊晖在哪两年,分别夺得过两次克英锦赛冠军?()
【单选题】孟德尔经过研究认为 。
C.
遗传因子的分离和自由组合是产生豌豆杂交试验结果的原因
D.
遗传是一种混合,因而不同种族的父母所生的孩子,至今仍称为混血儿