物联网技术的框架结构包括()。 A.感知层技术 B.网络层技术 C.应用层技术 发布时间：2017-05-22 22:36 │ 来源：www.tikuol.com 题型：多项选择题 问题： 物联网技术的框架结构包括()。A.感知层技术 B.网络层技术 C.应用层技术 D.物理层技术 E.公共技术
题型：多项选择题 完形填空。 Jack worked in an office in a small town. One day his boss __2__ him, "Jack, I want you to go to London, and to __2__ Mr Brown. Here's the address. His office is near the station." Jack went to London __3__ train. He left the station and thought, "The office isn't __4__ the station. I will find it __5__." But after an hour he was still looking for it, so he stopped and asked an old woman. She said, "Just go along this street, turn left __6__ the end, and it's the __7__ building on the right." Jack went and found it. __8__ days later, Jack went to the same city, __9__ again he didn't find the office, so he asked someone the way. It was __10__ old woman! She was very surprised and said, "Are you still looking for that place?"( )1. A. said ( )2. A. see ( )3. A. on ( )4. A. near ( )5. A. easy ( )6. A. by ( )7. A. five ( )8. A. Much ( )9. A. because ( )10. A.different B. said to B. watch B. in B. far away B. easily B. to B. thirteen B. A few B. when B. same C. talked to C. look C. with C. far from C. easier C. on C. third C. A little C. but C. the differentD. spoke D. find D. by D. next to D. easiest D. at D. hundred D. A lot D. so D. the same 查看答案
题型：多项选择题 如图是实验室硫酸试剂标签上的部分内容，据此判断（1）该瓶浓硫酸的物质的量浓度为______mol/L．（2）如果用该瓶浓硫酸配制500mL1mol•L-1的稀硫酸，需要用量筒量取______mL浓硫酸． 查看答案
