给下列加下划线的词语换个说法，意思不变。

①我们要积极的面对生活，不能稍有不顺就自甘堕落。____

②生活的真谛在于寻求不断进步的欲望。____

③无论做什么事，我们都要慎重考虑。____

根据伽利略理想斜面实验，利用如图所示的轨道装置做实验：在斜轨上先后铺垫三种粗糙程度不同的材料，小球从左侧斜轨上的O点由静止释放后沿斜轨向下运动，并沿右侧斜轨上升到的最高位置依次为1、2、3．对比这三次实验可知（   ）

    I fell in love with Yosemite National Park the first time I saw it, when I was 13. My parents took us there for camping. On the way out, I asked them to wait while I ran up to E1 Capitan, a1 rock of 3,300 feet straight up. I touched that giant rock and knew 2 I wanted to climb it. That has been my life's passion (钟爱) ever since—3 the rocks and mountains of Yosemite. I've long made Yosemite my 4.

    About 15 years ago I started seeing a lot of 5 like toilet paper, beer cans, and empty boxes, around the area. It's6 me why visitors started respecting the place 7 and treated such a beautiful home-like place this way.

    I tried 8 trash (垃圾) myself, but the job was too big. I would9 an hour or two on the job, only to find the area trashed all over again weeks later. Finally, I got so 10 it that I decided something had to change.

    As a rock-climbing guide, I knew 11about organizing any big event. But in 2014, together with some climbers, I set a date for a 12. On that day, more than 300 people 13 Over three days we collected about 6,000 pounds of trash. It was amazing how much we were able to14 I couldn't believe the15we made —the park looked clean!

    Each year volunteers come for the cleanup from everywhere. In 2016 alone, 2,945 people picked up 42,330 pounds of trash and16132 miles of roadway.

    I often hear people17about their surroundings. If you are one of them, I would say the only way to change things is by 18rather than complaining. We need to teach by 19.You can't blame others 20 you start with yourself.

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

        The relationship between parents and teachers is important in the development of a child. The good communication between them is communication that says, “I care about my child, and I value school. ” The best way a parent can show how much he or she values learning is by sending a prepared child to school everyday.  ____Once a child gets behind in class, catching up can be difficult.

        Parents and teachers are partners in student development. A school community is built on relationships established among children, teachers and children's families.

        Here are tips for creating a positive relationship with your child's teacher.

        Meet with your child's teacher in the fall.____—his or her special needs, outside activities, health, and home study habits.

        Look for the positive.____ Share with your child's teacher something you particularly appreciated regarding the teacher's role in the academic and/or social development of your child.

        Letthe teacher know that you want to support the work that is being done in class.Ask for suggestions for expanding school activities into home activities.

____   You can send a note of  thanks when something special takes place in the classroom and your child is involved.

Bewilling to participate in or set up a conference when you or your child's teacher feels a special meeting is needed, such as...

·____

·Your child seems to be deeply upset about something that happened at school.

A．When a child is absent from school,important lessons may be missed.

B．Phone your child's teacher ifnecessary.

C．The teachers need to feel appreciatedfor the job they do.

D．This is a good time for the teacher tolearn more about your child.

E．Express your appreciation to theteacher.

F．The beginning of every term is veryimportant.

G．There is a dramatic drop in yourchild's grades.