领带夹的位置与西装是否系钮扣有关，在西装不系钮扣时，领带夹应夹在衬衣的第几粒扣之间（

已经上七年级了，看到班里的男同学的个子都比自己高，十分担忧，请你给他做思想工作，告诉他（  ）

A．个子高矮是命中注定的，着急也没有用

B．你父母个子矮，你也矮是基因变异，快想办法

C．赶快吃增高药物

D．青春期身体成长有着不同的韵律和节拍，不要着急

选出错误的一项并改正。

( )1. Peking Man made fire to cooking.           _________

                   A            B                  C

(     )2. They put their into the holes.              _________

             A            B                 C

(     )3. Did you went to plant trees yesterday?      _________

             A           B          C

(     )4. Trees can to stop the wind.                _________

               A              B            C

(     )5. When does your father goes to work?       _________

               A                    B               C

(     )6. My father is going to playing basketball.      _________

                  A              B          C

(     )7. Let's beginning today.                   _________

              A          B        C

(     )8. Where is your father and your mother going?  _________

                A    B                      C

(     )9. The animals are have a meeting now.       _________

                   A                         B             C

(     )10. There are a tiger and a lion in the zoo.       _________

                    A                  B                  C

句型转换。

1. We keep in touch with each other by email. (改为否定句)

    We _____ _____ in touch with each other by email.

2. Our school organizes an English speech contest once a year. (对画线部分提分)

    _____ _____ does your school organize an English speech contest?

3. The beach is a nice place for tourists. (改为感叹句)

    _____ _____ nice place the beach is for tourists!

4. Are there any new markets in Asia? The sales manager wants to know. (合并为一句)

   The sales manager wants to know _____ there _____ any new markets in Asia.

5. The university will invite many graduates to celebrate its 100th birthday. (改为被动语态)

    Many graduates will _____ _____ by the university to celebrate its 100th birthday.

6. We shouldn't talk loudly in the theater. We shouldn't smoke there, either. (保持句意不变)

    We should _____ talk loudly _____ smoke in the theater.

叙述ARASHH0418的信号流？

下图为经纬网图，已知图中相邻两条纬线间的纬度间隔为10°读图，回答下列小题。

B点正午太阳高度年变化幅度（）

A.大于A，为46°52′

B.等于A，为46°52′

C.小于A，为40°26′

D.大于A，为40°26′