一、根据句意及所给中文提示、首字母或英文解释，写出句子所缺单词，每空限填一词。
1. We should develop a green ______________（生活方式）.
2. It is of great importance to ______________（保护）the environment.
3. My little brother can draw some ______________（easy）pictures.
4. Don’t directly pour the water. You can ______________（to use again）it to water flowers.
5. Follow the s______________，and you can lose your weight.

1. lifestyle 2. protect 3. simple 4. reuse 5. steps

二、根据句意或句子的语法要求，用括号中所给单词的适当形式填空。
1. ______________（live）a green life can help reduce pollution.
2. —How can I learn something about John’s school life?
—By ______________（chat）with him as often as you can.
3. —Jack，your room is dirty. It should ______________（clean）right away.
—Sorry，I’ll do it right now.
4. My brother volunteered instead of ______________（play）computer games last summer.
5. John does everything ______________（careless），so his mother is always worried about him.

1. Living 2. chatting 3. be cleaned 4. playing 5. carelessly

( )1. —Noise pollution has become a ________ problem in cities. It does harm to our health.
—You are right. We must do something to stop it.
A. serious B. fantastic C. meaningful D. strange

1. A 【点拨】根据语境可知，噪声污染已经成了一个严重的问题。故选 A。

( )2. Everyone should do ________ exercise and watch ________ TV for a green lifestyle.
A. more；fewer B. less；more C. fewer；more D. more；less

2. D

( )3. ________ these small steps and you can make a big difference ________ the earth.
A. Follow；of B. Follow；to C. Following；to D. To follow；of

3. B 【点拨】祈使句用动词原形开头；make a difference to 意为“对……有影响”。故选 B。

( )4. —Have you ever heard “A thousand - mile journey begins with the first ________”?
—Yes. It’s a famous Chinese saying by Laozi.
A. class B. step C. break D. exam

4. B 【点拨】从答语可知，此句是老子所说的名言，意为“千里之行，始于足下”。故选 B。

( )5. Everyone should protect the environment ________ we can make a better world to live in.
A. so that B. even though C. as soon as D. in order to

5. A 【点拨】so that 以便；even though 尽管；as soon as 一……就……；in order to 为了……。由语境及句子结构可知选 A。

( )6. —Mum，I want to be a doctor when I grow up.
—Work hard，________ you will realize your dream.
A. or B. and C. but D. so

6. B