答案：

1考点：词组

辨析：to the exclusion of是词组。

eradication 是eradicate[= put an end to]的名词, 不能与to the ~ of 构成词组。

能与extension构成词组的结构是 the extension of（延长）如: the extension of education 教育普及； the extension of a treaty条约有效期的延长；an extension to a factory 工厂的扩建部分

inclusion 与inclusion 成对，能构成的词组有the inclusion of, 如：I do not agree to the inclusion of Sally in the party.

答案：B

2考点：词义辨别

辨析：eloquent --- persuasive: an eloquent speaker;

effective --- striking

emotional --- of or relating to emotion:

emphatic --- expressed with emphasis:

答案：D

3考点：词汇量与搭配

辨析：vibrant --- vigorous, lively, and vital: the vibrant streets of a big city

violent --- having or showing great emotional force: violent dislike.

energetic --- active and able to work hard: He is an energetic boy.

full --- filled completely: a man full of new ideas

答案：A

4.考点：词汇量与形似词

辨析：thereof --- from that cause or origin; therefrom

thereby --- by that means; because of that

thereafter --- from a specified time onward; from then on

thereabouts --- near that place, about there:

答案：C

5 考点：短语

辨析：on view --- placed so as to be seen; exhibited

at a glance --- at a quick look

on the scene --- on the place where an action or event occurs

in sight --- able to be seen

答案：D

四个选项中能与with 搭配的形容词只有vibrant。如：a city vibrant with life and energy充满活力的城市； The drama is vibrant with life all through. 全剧充满了生气。 a nation vibrant with enthusiasm富有热情的民族
energetic可后接to，如：be energetic to the uttermost
full常与of连用，如：be full of anxiety; a mind full of doubts; The river is full of fish.