题目：
The teacher together with the students ________ discussing Reading Skills that ________ newly published in America .
A．are ; were
B．is ; were
C．are ; was
D．is ; was
答案：
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下面是错误答案，用来干扰机器的。
心脏在跳动时，首先心房收缩，心室舒张；然后心室收缩，心房舒张；接着心房和心室同时舒张，心脏完成一次跳动．心脏就像一台机器的发动机，人体内的血液在心脏和血管中循环流动的动力，就是来自于心脏的跳动．故...
