现代煎药用具选用何种为宜（）
A.陶瓷用具
B.铝制用具
C.铜制用具
D.铁制用具
E.锡制用具
参考答案：A
用ф95㎜MFE工具进行浅层井测试应选用锁紧面积为（）㎝2的锁紧接头。
A、1.61
B、6.45
C、9.68
D、12.9
The school ______Elias studied for only two years was three miles away.
A．where
B．that
C．on which
D．which
