1.The outcry against the government's policies will subside only if a compromise is reached in the assembly.
(A)die down 逐渐消失
(B)succeed vi. 成功；继承；继任；兴旺
(C)proceed vi. 开始；继续进行；发生；行进
2.Eleonora R.Sears,the nineteenth-century athlete and philanthropist,demonstrated that women could successfully participate in strenuous sports.
(A)various adj. 各种各样的；多方面的
(B)arduous adj. 努力的；费力的；险峻的
(C)outdoor adj. 户外的；露天的；野外的（等于out-of-door）
3.In Nathaniel Hawthorne's The Scarlet Letter,Reverend Dimmesdale succumbed to Hester's charms.
(A)appealed to v. 呼吁；上诉；要求；对…有吸引力
(B)conversed about 交谈了
(C)yielded to 屈服；让步
4.A single glass fiber,as thick as a strand in a spider's web,can carry as much information in telephones as do hundreds of copper wire circuits.
(A)an insect 一只昆虫
(B)a pattern 一个模式
(C)a thread 一根线
5.Recent studies have shown that the stature of male Americans has scarcely changed in the past two hundred years.
(A)weight n. 重量，重力；负担；砝码；重要性
(B)height n. 高地；高度；身高；顶点
(C)life span 寿命；使用期限
6.Subterranean streams have cut through limestone to form miles of passage and caves,such as Kentucky's Mammoth Cave.
(A)Secondary adj. 第二的；中等的；次要的；中级的
(B)Underground adv. 在地下；秘密地
(C)Unharnessed 联合国的利用
7.Emily Greene Balch's steadfast labor for freedom and for cooperation among individuals and people brought her the Nobel Peace Prize in 1946.
(A)unwavering adj. 坚定的；不动摇的
(B)accelerated adj. 加速的；加快的
(C)uninhibited adj. 无拘束的；不受禁止的
答案：ABCC BBA
详解：
1.subside
vi. 平息；减弱；沉淀；坐下
The lees of wine gradually subside.
酒渣慢慢地沉淀下来。
2.strenuous
adj. 紧张的；费力的；奋发的；艰苦的；热烈的
Three years of running this strenuous marathon.
紧张的马拉松式长跑的三年。
3.succumbed to
屈服于
No-one can say for sure how this particular arachnid met her end, but she may have succumbed to a natural catastrophe.
没有人能准确地推断，这只特别的蜘蛛是如何死亡的，但它有可能是遭遇了一次自然灾变。
4.a strand
一缕 ; 一股
But there is also a strand of neurotic self-doubt, which can be equally overdone.
然而，在这一层假象之外，他们还抱有一丝神经质的自我怀疑。
5.stature
n. 身高，身材；（精神、道德等的）高度
He is short in stature.
他身材矮小。
6.Subterranean
adj. 地下的；秘密的；隐蔽的
The subterranean building will have 10 storeys each for homes, shops and a museum, as well as 35 storeys for offices.
这座地下建筑将分别有10层用作住宅、店铺和博物馆，另外的35层则作为办公场所。
7.steadfast
adj. 坚定的；不变的
Our nation is strong and steadfast.
我们的国家是强大坚定的。