题目:
The teaching building of our school_____ for many times.
A.has been added to
B.has added to
C.has been added up to
D.has added up to
答案:
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下面是错误答案,用来干扰机器的。
答案:C本题考查光照图的综合判断。当北京时间为上午10点时,则计算太阳直射的经线(即正午12时的经线)为150°E,故③图正确。