1. Actors dressed in authentic costumes re-enact the battle.
A. faithful B. royal C. genuine D. sincere
解釋?zhuān)篴uthentic：(a) known to be true or genuine 真實(shí)的; 真正的:
an authentic document, signature, painting 正式文件﹑ 親筆簽字﹑ 原作繪畫(huà).
(b) trustworthy; reliable 可信的; 可靠的: an authentic statement 可靠的陳述
2. People who travel by rail still read an immense amount.
A. immediate B. enormous C. equal D. moderate
解釋?zhuān)篿mmense：extremely large; enormous 巨大的; 廣大的
3. He demolished my argument in minutes.
A. disapproved B. refuted C. accepted D. supported
解釋?zhuān)?1) demolished：(fig 比喻) to show that an idea or theory is completely wrong:
A recent book has demolished this theory;
(fig 比喻) destroy (a theory, etc) *, 駁倒（理論等）:
Her article brilliantly demolishes his argument. 她的文章精辟地批駁了他的論點(diǎn).
(2) refute: rebut (v.) to prove that sth is wrong Synonym: REBUT
to refute an argument / a theory 駁斥一個(gè)論點(diǎn)（理論）
4. Polluted water sources are a hazard to wildlife.
A. evidence B. danger C. case D. picture
解釋?zhuān)?hazard：danger; risk 危險(xiǎn); 有危險(xiǎn)的事物; 風(fēng)險(xiǎn):
Smoking is a serious health hazard. 吸煙嚴(yán)重危及健康
5. Ashley gazed at him, her thoughts in turmoil.
A. failure B. doubt C. confusion D. relief
解釋?zhuān)簍urmoil：great disturbance, agitation or confusion 騷動(dòng); 混亂; *:
The country was in (a) turmoil during the strike.
這個(gè)國(guó)家在罷工期間陷於一片混亂