Passage Three. 听材料,回答下列各题:A.Germany.B.Japan.C.The U.S.
Passage Three. 听材料,回答下列各题:
A.Germany.
B.Japan.
C.The U.S.
D.The U.K.
Passage Three. 听材料,回答下列各题:
A.Germany.
B.Japan.
C.The U.S.
D.The U.K.
TEXT 2 1.Even though they possess much more computing, bandwidth, and energy resources than mote-class sensors, mobile devices nevertheless face resource limitations. 2.Resource constraints in traditional sensor networks have been well studied. 3.However, MCS applications introduce new aspects in this regard. 4.First, the set of devices that are collecting sensor data are highly dynamic in availability and capabilities. 5.Due to this highly dynamic nature, modeling and predicting the energy, bandwidth requirements to accomplish a particular task is harder than traditional sensor networks. 6.Second, when there are a large number of available devices with diverse sensing capabilities, identifying and scheduling sensing and communication tasks among them under resource constraints is more complex. Source: Ganti, R. K., Ye, F. & Lei, H. (2011). Mobile crowdsensing: Current state and future challenges. IEEE Communications Magazine, 49 (11): 32-39.
A.The lack of time.
B.The quality of life.
C.The frustrations at work.
D.The pressure on working families.
A.Enjoying strong feelings and emotions.
B.Defying all dangers when they have to.
C.Being fond of making sensational news.
D.Dreaming of becoming famous one day.
B.It has become much more competitive.
C.It has lost many customers to foreign companies.
D.It has attracted a lot more designers from abroad.
A.Transferring to another department.
B.Studying accounting at a university.
C.Thinking about doing a different job.
D.Making preparations for her wedding.
B.He has got everything set for their trip.
C.He has a heavier workload than the woman.
D.They could stay in the mountains until June 8.
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