病人脑外伤后出现人格改变,最可能累及的大脑部位为()
A.枕叶
B.颞叶
C.额叶和颞叶
D.顶叶
E.小脑
参考答案:C
用水平仪测量表面,被测工件两点的高度差可按下式计算:H=ALa,其中L表示()
(A)两支点间在垂直面内的高度差;
(B)气泡偏移格数;
(C)被测工件的长度;
(D)水平仪精度
—Mary, let’s go to the bookshop this weekend. Will you be ______?
—Sorry, but I’m going to visit my uncle in the countryside.
A.vacant
B.suitable
C.convenient
D.available