Section1
上期复习

By their mutual¹, orjoint, agreement, the two firms combined to form one.

共同的，互利互惠的

Section2

The driver did not maintain the van properly. An accident occurred when the brakes failed and the driver was fined for negligence², or ________________.

(a) poor vision
(b) unnecessary speed
(c) careless neglect
(d) drugs

answer key: c