【解释】

accurate 表示"准确的",精确的",指"通过努力, 使事情达到正确或精确

correct为一般用语, 指"正确的"

exact表示"确切的","精确无误的",指"与事实完全相符"

right最合适的; (就情况等而言)最好的, 可取的;或表示与事实，常理或真实情况相一致的，相当于correct/exact 【练习】选择accurate /correct/exact或right并用其适当的形式填空

1) She gave an ______ account of the accident.

2) He gave _______ answers to the questions.

3) His answer is quite _______.

4) He is the ______ man for the job.

Keys: 1) accurate 2) correct 3) exact 4) right III 词性变化 （旨在提供语法填空所需材料）

1. employ v.雇佣,使用 employment n.雇佣 employer雇佣者,

employee受雇者 2. approve v.赞成,批准 approval n,赞成,批准 3. profession n.职业,专业 professional adj.专业的 4. guilt n.犯罪 guilty adj. 犯罪的,内疚的 5.concentrate v.集中注意力 concentration n.专注,专心 【练习】用括号内所提供词的适当形式填空

1） This book demanded all your_________.(concentrate)

2） My parents didn't _________ of my leaving school this year and I had to accept their ________.(approve)

3） We need enough _________ engineers to undertake the job.(profession)

4） his _______ was proved beyond all doubt by the prosecution and he felt _____ about not telling the truth to the judge (guilt)

5） The factories that ________thousands of workers criticized the method _________by the country's government.(employ)

keys: 1) concentration 2) approve; approval 3) professional 4) guilt; guilty 5) employ; employed IV 重点词汇 （旨在提供综合运用所需材料）

1. concentrate vt.集中；聚集

[典例]

1）Authority was concentrated in the president. 政权集于总统一身

2）We concentrated on the task before us. 我们专注于眼前的任务

[重要用法]

concentration n. 集中， 专心

with deep concentration专心

concentrate one's attention on [upon] 把注意力集中在

[练习]汉译英

1) 如果你全神贯注，就能解决这个问题。

__________________________________________________________________________________________