血管损伤手术方法有（）。
A.血管结扎术
B.端端吻合术
C.端侧吻合术
D.侧面修补术
E.移植修补术
参考答案：A, B, C, D, E
Only when public attitudes towards the disabled advance as far as laws have ________ be able to take the rightful place in society.
A．will he
B．he will
C．will they
D．they will
汽车下坡较陡时，可用（）起步。
A、2档或3档
B、4档或5档
C、3档或4档
D、1档
