6.She was afraid that unless the train speeded up she would lose her _____ to Scotland.
7.The ship was _____ in a storm off Jamaica.
8.No one has _____ been able to trace the author of the poem.
A.still B.yet C.already D.just
9.More than one-third of the Chinese in the United States live in California,_____ in San Francisco.
C practically D.permanently
10.The new secretary has written a remarkably _____ report only in a few pages but with all the details.
[注释]lose one's connection to误了到......地方去的(汽车、火车、轮船的)联运;The train was late and I missed my connection.
[注释]wreck vt.撞坏,毁坏;1)My son wrecked my car.2)My car was completely wrecked in the accident.
sink vt.下沉,沉没,该动词也可作及物动词用,意为使下沉,但按本题句意看,用被动语态不妥。drown溺死,淹死：(vt.)He drowned his wife.(vi)He drowned in the river.(他在河里淹死了。)submit 1)(=put oneself under the control of another)提交,呈送(to)：Should a wife submit herself to her husband?(妻子应顺从他丈夫吗?)2)(=put forward for option,discussion,decision ect.)提出(供评论、讨论决定等)You must submit your request to the committee.3)(=surrender(to),give in)屈服,投降：After being defeated,they submitted to the enemy.(打败后,他们向敌人投降了。)
[注释]predominantly(=mostly;mainly)主要地。previously(=coming earlier in time or order)先前,早先;This is better than any solution previously.(这个办法比以前提出的任何解决办法都好。)practically(=really;in a practical way)实际上。permanently(=going on for a long time)永久地。
[注释]concise(=brief;giving much information in few words)简明扼要的：He gave a concise report of the meeting.(他对会议作了简明扼要的报道。)clear清楚的。precise(=exact;correctly stated;free form error)精确的,明白无误的;Please tell me the precise measurements.(请告诉我精确的尺寸。)elaborate(=worked out with much care;carefully prepared)精心制作的,丰盛的：Peter worked out an elaborate scheme for raising the money.(彼得制定了一项详尽得计划来筹集着笔款项。)孤立地看,似乎4个形容词均能修饰report,但从句子的逻辑关系看,后半句中有only in a few pages but with all the details,故concise是最贴切的选择了。