2.disturb v. ① 妨碍，使不安 disturbing development ② 打扰，干扰 She opened the door quietly so as not to disturb
the sleeping baby. No sound disturbed the silence of the evening.入夜
jogger n. 慢跑者 joggle v. 轻轻摇动，颠动
4.hike n. 远足，徒步旅行go on a ten-mile hike 提高，增加The union demands a 7% wage
hike. v. 作远足旅行 go hiking 提高（价格等）hike up an insurance

8.obscure adj. ① 不易看清的，不分明的，隐藏的，模糊的 an obscure corner of the garden ② 不著名的 an obscure poet 名不见经传的诗人 v.使不分明，遮掩；使暗，使模糊 The moon was obscured by clouds.
12.contend v.
竞争，争夺，斗争(struggle) contend with/against sb/sth for sth 主张，争辩，认为
I would contend that unemployment is our most serious social evil(弊病).
7.string n. ① 弦，线，细绳 a ball of string ② 一串，一行 a string of pearls vt.用绳线悬挂，系住 Flags had been strung up across the street. string along with sb 暂时与..相处，跟随.. string sth together 将(词，词组等)连结成句 stringed instrument 弦乐器
1986. 1986年的婴儿死亡率为出生率的千分之二十。
mortal adj. ① 必死的 All human beings are mortal. ② 不共戴天的，有深仇大恨的 ③ 致命的，致死的 a mortal wound
11.ponder v. 长时间的仔细考虑，斟酌，深 思
You have long enough, it is time to decide. I am pondering how to respond.
UNIT 7
Terrorism
1.settle for 勉强接受，勉强认可 settle on sth=choose sth;decide to do sth选择做某
事，决定做某事
settle down 舒适地坐或者躺 settle(sb)down使某人安心，平静下来 settle down to sth开始注意某事 settle into sth 习惯于做… settle on sth 选定，决定 settle sth on sb 转让(钱财)
hiker n. 远足者
5.van n. ① 客货两用车，有蓬载货车 ② 前锋，先锋 positioned in the van 处于前锋位置 truck （美）/lorry（英)敞篷载货车
6.suffer vi. 感到疼痛，不适；吃苦头，受苦 suffer from/with/for sth vt.遭受痛苦,打击 suffer pain/defeat suffering n. 痛苦，折磨 sufferance n.
9.boom n. ① (拟声词)隆隆声 ② 暴涨，激增；经济繁荣；迅速发展 a boom year （经济）繁荣的一年 vi. ① 发出隆隆声
we could hear the enemy guns booming in the distance.
② 激增，繁荣，迅速
10.mortality n. ① 必死的命运 ② 必死性，死亡率 Infant mortality was 20 deaths per thousand live births in
时分，万籁俱寂。
disturbance n. 搅乱，弄乱 undisturbed adj.未受干扰的，安静的，镇定的
3.jog v. /n. 慢跑，轻推 He goes jogging every evening. Don’t jog me, or you’ll make spill something.