[QUIZ]

1. 根据首字母以及括号内的词性提示和英文释义填入单词（注意复数、时态形式变化等）：

①r________（adv. in the same order as the things you have just mentioned）

②k________（adj. wanting to do something or wanting something to happen very much [= eager]）

③r________（v. to guess a number or amount, without calculating it exactly）

④f________（n. a change in a price, amount, level etc [= variation]）

⑤v________ （adj.often changing or likely to change）

⑥m_________ （v. to speak in a low voice, especially because you are annoyed about something, or you do not want people to hear you）

2．汉译英（根据译文提示和上下文，在空白处填入相应英文）：

[NOTES]

1. go-ahead n. （give sb. the go-ahead或get the go-ahead）许可

2. mark-up n.涨价；提价

3. zircon n. [金属]锆

4. sidelinen. 副业；局外旁观；边线

5. cobaltn. [金属]钴

6. molybdenumn. [金属]钼

7. buy-backn.产品返销

8. contemplatev. 考虑；想到；接受（事实）；冥思苦索

[KEY TO QUIZ]

1. ①respectively 各个地

②keen 急切的；热心的

〔附注〕表示“热心的”（enthusiastic）可用：

enthusiastic • keen • eager • be full of enthusiasm • be/get excited about something • be raring to go • zealous

③reckon 估算

④fluctuations 波动

⑤volatile 易变的（variable）

〔附注〕表示“易变的或多变的”还有：changeable • erratic • volatile • unstable • variable • inconsistent • unsettled

⑥mutter 嘀咕

〔附注〕表示“低声或模糊地说话”还有：whisper • mutter • mumble • murmur • say something under your breath • grunt