问题
选择题
地球上的某点，其北侧是热带，南侧是温带，西侧是东半球，东侧是西半球，该点是[ ]
A．23.5°N，160°E
B．23.5°N，20°W
C．23.5°S，20°W
D．23.5°S，160°E
答案
答案：D
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地球上的某点，其北侧是热带，南侧是温带，西侧是东半球，东侧是西半球，该点是[ ]
A．23.5°N，160°E
B．23.5°N，20°W
C．23.5°S，20°W
D．23.5°S，160°E
答案：D
The task(任务)of students is to study．But studying __21__a right way, or we will waste(浪费)time or __22__．The following are some ways of studying .The best time for reading is in the morning ,___23__ in the morning the air is fresh and the mind is clear． __24__studying,we must have patience(耐心).If we have not __25__ a text well，we must read it again.We should not read the next one until we have learnt the first one． When we are __26__，we must put our hearts into the book，or we can get __27__ from the book that we are reading We must always __28__“why” If we can’t understand something well，write it down and ask our teachers，parents or friends Though there are many __29__of studying，the above will be quite enough if we can __30__them in heart and do so.
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