发现现场有突发情况后,现场人员立即电话上报厂主管部门。
参考答案:错
若梯形的面积为12cm2,高为3cm,则此中位线长为( )。
____there are many differences in personality, they have a lot____ common.
A.While; in
B.Although; on
C.In spite of; in
D.Thanks to; on