19．My little brother and I are old enough to go to school all by _____________．（ ）
| A． | myself | B． | ourselves | C． | himself | D． | themselves |
18．-_______is your new teacher like？-Friendly and polite．（ ）
| A． | What | B． | How | C． | Why | D． | Where |
17．
How to be a Green One
What does it mean to be green？"Green"is more than just a（61）color．It also means taking special steps to protect the land，and the air we breathe．Why green？Plants are green，and（62）withoutthem 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 do good for the Earth．For example，a shorter shower means you use（63）lesswater and less fuel （燃料），（64）becauseyour house uses fuel to run the water heater that warms up the water．
Reuse It!
Sometimes we're a little too willing to refuse new things．Many times，if you don't（65）trulyneed something，and someone else just might need it．For example，if your baby brother grows out of toys，why not give them（66）awayto anyone who has a little kid？
Recycle（回收利用） It!
Recycling has never been easier．Many people will（67）pickit 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 is you'll put the recyclable things in the right dustbins to tell others（68）whichthings can be recycled．
Enjoy It!
Pollution is a problem and it remains a huge and beautiful journey for you to go and study．You can start by（69）visitingthe naturally beautiful places in your hometown．Go for a hike，visit local nature centers and gardens，climb up mountains and so on．
Start now，anything you do will make a （70）difference．
| pick little which different color true visit without away because |
What does it mean to be green？"Green"is more than just a（61）color．It also means taking special steps to protect the land，and the air we breathe．Why green？Plants are green，and（62）withoutthem 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 do good for the Earth．For example，a shorter shower means you use（63）lesswater and less fuel （燃料），（64）becauseyour house uses fuel to run the water heater that warms up the water．
Reuse It!
Sometimes we're a little too willing to refuse new things．Many times，if you don't（65）trulyneed something，and someone else just might need it．For example，if your baby brother grows out of toys，why not give them（66）awayto anyone who has a little kid？
Recycle（回收利用） It!
Recycling has never been easier．Many people will（67）pickit 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 is you'll put the recyclable things in the right dustbins to tell others（68）whichthings can be recycled．
Enjoy It!
Pollution is a problem and it remains a huge and beautiful journey for you to go and study．You can start by（69）visitingthe naturally beautiful places in your hometown．Go for a hike，visit local nature centers and gardens，climb up mountains and so on．
Start now，anything you do will make a （70）difference．
16．If you join the swimming club，___________________．（ ）
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| A． | so do I | B． | so I do | C． | so will I | D． | neither will I |