It is no use ______ about your past mistakes.

(二)将下列句子译成英文

3.专业化的代价是相互依存。(3分)

4.要是没有从无形贸易中挣得的钱，英国将几乎年年出现赤字。

(一)将下列句子译成中文

1. Customers are vulnerable to attractive packages. (4分)

2.Metals consisting of iron combined with some other elements are called ferrous metals, while all the other metals are called non-ferrous metals. (4分)

(二)将下列词语译成英文 (5分)

6.没有出路的工作

7.激光束

8.供求机制

9.标准化集装箱

10.零售贸易

(一)将下列词语译成中文 (5分)

1.excess reserves

2.a regular port

3.investment demand

4.cold regions

5.the silk trade

The word “drawn” in the last paragraph means ______.

According to Harry Emerson, by imagining success we may ______.

The author is more worried about people’s ______.

What Henry Kaiser knew as the positive use of daydreaming is ______.