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【单选题】
LocationManager获取位置信息的途径下列说法不正确的是A.
GPS定位更精确,缺点是只能在户外使用
B.
NETWORK通过基站和Wi- Fi信号来获取位置信息,速度较慢,耗电较少
C.
获取用户位置信息,我们可以使用其中一个,也可以同时使用两个
D.
GPS定位耗电严重,并且返回用户位置信息的速度远不能满足用户需求
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举一反三
【单选题】My father helps me with my homework______ he has time.
A.
wherever
B.
who
C.
which
D.
whenever
【单选题】A person has a comparative advantage in an activity whenever he or she
A.
has an absolute advantage in the activity.
B.
can perform the activity at a lower opportunity cost than can anyone else.
C.
can do the activity in less time than anyone else.
D.
can do everything better than anyone else.
【判断题】European Charter of Patients' Rights (2002) declares that, "Each individual has the right to complain whenever he or she has suffered a harm and the right to receive a response or other feedback. Each...
A.
正确
B.
错误
【简答题】“电源—电弧”系统稳定,包含哪两方面的含义?为保证“电源—电弧”系统稳定,在电源外特性曲线与电弧静特性曲线的交点位置,应保证两曲线的斜率满足何种关系?
【简答题】为保证屋架的空间稳定性,需在屋架的上下弦设置系杆,按受力性质可将系杆分成如下两类: 、 。
【简答题】A. is keen on B. definite C. admire D. make up his mind E. keep a goal in mind 1. Your English is so good. I _______ you. 2. Linda ________ classical music, so she attends ...
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