1、To___ the huge dog, I turned around and ran away.
2、Tom's and Anne's political beliefs are a___ to their friendship.
3、Horses, sheep, and chickens were kept in the___.
4、She knew the lesson so well that her answers were___.
5、It is necessary for a hospital to install at least one____ generator case of a power cut.
6、I didn't feel the motion of the car until we hit the car behind us.
7、The guards_ the prisoner to his bed.
8、This lettuce is old and___.
9、The company's owner granted each manager___ to spend up to $10,000 on travel and entertainment.
10、The camper woke up with a spider___.

答案：
avoid
barrier
barn
automatic
auxiliary
backward
bound
bitter
authority
bite

详解：
avoid
vt. 避免；避开，躲避；消除
She sheered off in time to avoid an accident.
轮船及时转向，避免了一次事故。

barrier
n. 障碍物，屏障；界线
vt. 把…关入栅栏
Some people experience shyness as a barrier to communication, but this can be broken down gradually.
有些人觉得羞怯成为交际上的障碍，但这是可以逐渐克服的 。

barn
n. 谷仓；畜棚；车库；靶（核反应截面单位）
vt. 把…贮存入仓
The barn was heaped with grain.
谷仓里堆满了粮食。

automatic
adj. 自动的；无意识的；必然的
n. 自动机械；自动手枪
No, it certainly not automatic.
不，当然这不是无意识的。

auxiliary
n. 助动词；辅助者，辅助物；附属机构
adj. 辅助的；副的；附加的
This avoids cluttering up the core content with auxiliary material.
这样可以避免把核心内容与辅助资料混在一起。

backward
adj. 向后的；反向的；发展迟缓的
adv. 向后地；相反地
He cut the ball so that it bounded almost backward.
他斜削这个球，使其几乎向后弹起。

bound
adj. 有义务的；受约束的；装有封面的
vt. 束缚；使跳跃
n. 范围；跳跃
vi. 限制；弹起
He is bound by affection.
他为爱情所束缚。

bitter
adj. 苦的；痛苦的；尖刻的；充满仇恨的
n. 苦味；苦啤酒
adv. 激烈地；严寒刺骨地
vt. 使变苦
She would often romance about her bitter experiences.
她总是夸大其词地讲她的痛苦经历。

authority
n. 权威；权力；当局
He disrespected all authority figures.
他蔑视所有权威人物。

bite
vt. 咬；刺痛
n. 咬；一口；咬伤；刺痛
vi. 咬；刺痛
This scar is from the bite of a dog.
这是狗咬后留下的伤疤。