一、根据句意及首字母提示补全单词。
1. Children and old people may have d______ understanding the meanings of online words without the Internet context.
2. The Sun gives us not only light but also h______.
3. It's necessary to have enough courage to make d______ because sometimes we have several choices.
4. —How dirty the floor is!
—Oh, yes. It r______ to be cleaned at once.
5. —I'm wondering w______ or not you will come to my party tomorrow.
—I will certainly go to your party. Thanks for your invitation.

1. difficulty 2. heat 3. decisions 4. requires 5. whether

二、从方框中选择恰当的单词或短语并用其正确形式填空。
peace cheer sb. up hope for success feel make a decision
1. Each of us ______, but it is hard to get and keep.
2. Daniel found the twins were in a bad mood and he tried ______ with funny stories.
3. It is very nice to lie on the grass and count stars in the sky on a ______ night.
4. I have to think twice before ______.
5. I am very sorry that I have hurt her ______. I must say sorry to her.

1. hopes for success 2. to cheer them up 3. peaceful 4. making a decision 5. feelings

( )1.______ it is often cold in the mountains, you'd better wear warm clothes to go outside.

A.Though
B.Unless
C.As
D.Until

1. C

( )2.Ancient Chinese people ______ the tea egg during Start of Summer.

A.explained
B.created
C.imagined
D.described

2. B 【点拨】explain 解释；create 创造；imagine 想象；describe 描述。根据语境可知选 B。

( )3.John didn't get the job he wanted. Let's go and ______.

A.turn him down
B.call him back
C.cheer him up
D.let him down

3. C 【点拨】句意：约翰没有找到他想要的工作，咱们去让他振作起来吧。turn sb. down 拒绝某人；call sb. back 给某人回电话；cheer sb. up 让某人振作起来；let sb. down 让某人失望。故选 C。