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2. In the box below are some of the expressions you have learned in this unit. Do you

understand their meanings? Do you know how to use them in the proper context? Now check for yourself by doing the blank-filling exercise. Change the form where necessary.

▆ Answers:

1) in rich contrast to 2) are exposed to 3) risked his life 4) rely on 5) at knife-point 6) stands out

7) runs contrary to 8) flag down 9) picks/picked up

10) took a gamble on 11) pulled away 12) pulled over

▆ Increasing Your Word Power

1. Collocations

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Look at the adverbs listed in the box below, and decide which adverb is needed to collocate with the verb in each sentence. Fill the correct adverb into the blank in the sentence. The same word may be used in more than one sentence. Consult a dictionary if necessary. ▆ Answers: 1) out 2) over 3) back 4) down 5) over 6) up 7) out 8) back 9) down 10) out 11) up 12) over 13) back 14) out 15) down 16) over

2. Study the different meanings of the word “than” in the following sentences. ▆ Answers for Reference: 1) 2) 3) 4)

Action speaks louder than words.

Production here needs temperatures lower than 25 degrees Celsius. I like to keep things rather than throw them away. There is nobody here other than me.

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She’d rather leave her job than (be forced to) work for that boss.

3. Word Building

Now choose the Chinese meaning from Column B that matches each italicized word in Column A. You may consult a dictionary if necessary. ▆ Answers:

1) d. 2) k 3) n 4) j 5) a 6) g 7) f 8) b

9) o 10) m 11) p 12) e 13) c 14) h 15) i 16) l

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Grammar in Context

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1. The –ing form and the infinitive form of the verb

Task: Choose either the infinitive form or the –ing form of the verb in the brackets to complete each of the following sentences. ▆ Answers: 1) preparing 2) to thank

3) repairing / to be repaired 4) to get 5) studying 6) being treated 7) missing

8) to reduce 9) to leave 10) worrying

2. The –ed form and the –ing form of the verb

Study the following sentences that appear in this unit, paying special attention to the –ed form and –ing form of the verb. Reflect on its grammatical function in each sentence.

Task：Complete the following sentences by translating the Chinese in the brackets into English,

paying attention to the use of the -ing form and the -ed form of verbs. ▆ Answers:

1) kept nodding, rather confused 2) Fallen leaves 3) surprised, hiding 4) Deeply moved 5) following 只供学习与交流