3 Complete the words.► h a i r hair1 c_ _n ____

1 Complete the words. ► s u ‍ i t suit 1 j _ _ _ _ t ____

Complete the sentences with words from the boxes.

Watch the video again. Use words in the boxes to complete the conversation.

3 Complete the words. ► h a i r hair 1 c_ _n ____

4 Complete the words.► h u m a n human1 p r d c t b l e ____2 d i s e a r ____3 f m n e ____4 h r m f l ____5 a t m o e r e ____6 e n v r o m n t ____7 p l l t n ____8 l q u d ____9 d s s e ____10 c l m t ____

5 Complete the words. ► ni n th ninth 1 th_rd ________

In the sentence “But since we do not have such a complete and foolproof explanation, disagreements are destined to remain”, which of the following has the closest meaning with the word “foolproof”?

4 Complete the words. ► ha p p y happy 1 ang _ _ ____

1 Complete the words.► h ‍a ‍i r c ‍u t haircut1 f r _ _ _ e ____2 s _ _ s s _ r _ ____3 h _ _ r s t _ _ e ____4 h _ _ r d _ _ _ r ____5 p _ _ t _ n g ____6 t _ _ m ____7 c _ l _ _ r ____8 b l _ w – d r _ ____

4 Complete the words.► l u n g c a n c e r lung cancer1 m _ m _ r _ l _ _ s s ____2 a r _ r _ t i c ____3 b r _ _ n ____4 b l _ _ _ ____5 s t r _ _ e ____6 h _ _ r t d _ s _ _ s e ____7 d _ s _ b _ l _ t y ____

Listening Activity No. 12Keeping fitQuestions 1-10Complete the table below using NO MORE THAN THREE WORDS for each answer.8d90ee55984a32a3eac1883f0e08748d.png

3 Complete the questions.► Have you got a car? If so, what kind?1 Have you ____ a bike? If so, when do you use it?

4 Complete the words.► ha p p y happy1 ang _ _ ____

Which word describes an activity that takes a long time to complete and needs a lot of energy and determination and also is the name of a long running race?

1 Complete the words. ► f u n fun 1 f _ _ _ y ____

Choose the correct words or phrases to complete the sentences.Scarcely ____ when the assassins shot him down.

Complete the sentence with word below.从下列单词中选择合适的一个填空（）

Complete the dialogues with the missing words or phrases. A: Is that （）__________ even drive. I ride a bike. A: Riding a bike is great exercise.

Questions 33－36Complete the table using NO MORE THAN THREE WORDS for each answer. 【33】

Complete the sentences with the words from Exercise A.

Choose the formal word from the four choices provided to complete the following sentence. This issue was________during the investigation.

3、一棵有510个结点的完全二叉树的高度为多少？（独根树高度为1) What is the height of a complete binary tree with 510 nodes？ （the height of a tree with only a root is 1)

Complete the sentence with the following words. -Job-seekers__for the post（）

Complete the sentence with the following words. -The employer__ the job to the best candidate（）