79. One day people will f　　　 　to the moon for vacation.

78. --- Shall we meet on W___________ or Thursday?

　 --- Either day is fine with me.

77. If it r　 　　tomorrow, they won’t have the party in the open air.

76. His legs were so weak that he could h　　　 　stand.

75. Would you mind c__________ the door? It’s cold outside.

74. Normally, water boils at a t___________ of 100℃.

73. Peter doesn’t like. It tastes too s　　　 .

72. I’m really t　　　 　. I’ve got to go to bed.

根据下列句子及所给单词的首字母，在答题纸上按题号写出各单词的完全形式(每空限填一词)。

71. One h　　　　 　is the number 100.

用方框中所给单词的适当形式填空，使短文通顺、正确、连贯(每个单词限用一次)。

How to be a Green One

What does it mean to be green? “Green” is more than just a 　61　 . It also means taking special steps to protect the environmee land, and the air we breathe. Why green? Plants are green, and 　62　 　them the Earth wouldn't be such a lovely human beings. Here’s a four-step guide to being green:

Reduce It!

When you use less of something, you dg for the Earth. For example, a shorter　 shower means you use 　　63 　　water and less fuel (燃料) 　64　 　your house uses fuel to run the water heater that warms up the water.

Reuse It!

Sometimes we’re a little too willing to things and buy new things. Many times, if you no 　65　 　need something, someone else just might need it. For example, if your baby brother grows out of 　　66　　 , why not give them to another has a little kid?

Recycle It!

Recycling has never been easier. Many people will 　67 　it up right in front of your house and they will need it. Tell your mom or dad become “Head of Recycling” for your house. That means you’ll take the recyclable things in dustbins tell others 　68　 　things can be recycled.

Enjoy It!

It’s 　69　 　that pollution is a proble remains a huge and beautiful place for you to go and study. You can start by 　70　 　the naturally beautiful places in your hometown. Go for a hike, visit local nature centers and gardens, climb up mountains and so on.