题目

Either Lucy or Lily ______ good at Chinese. They study at the same school.        A. be                     B. am                           C. is                      D. are 答案：C18．一同学来到山脚下A处（海拔100米）时，她看到温度计显示为32℃，此时B处（海拔2000米）气温应接近 （　　）A．11℃B．21℃C．32℃D．28℃