“权利的真正源泉在于义务。”这句话意味着（） ①权利和义务是相应而存在的②履行义

如图示某种昆虫的发育过程，下列叙述不正确的是（　　）

A．该昆虫的发育过程属于完全变态发育

B．该昆虫的生殖方式是有性生殖

C．该图表示蝗虫的发育过程

D．若该昆虫是一种害虫，则幼虫期对农作物的危害最大

盐酸氯丙嗪的别名是（）

A.安宁

B.鲁米那

C.安定

D.大仑丁钠

E.冬眠灵

将下面的直接引语变为间接引语。

1. Jack said,"I'm a teacher. "

   Jack said that                    a teacher.

2. She said,''I'm using the knife. "

    She said that                             the knife.

3. The teacher told us , "You are going to plant trees tomorrow. "

    The teacher told us that                going to plant trees                     .

4. He said,"I often go to work by bus. ''

    He said that          often          to work by bus.

5. Tom said,"I can play the piano."

    Tom said that                               the piano.

6. My brother told me,"You should get up early every day."

    My brother told me that                    get up early every day.

7. My mother said to me,"I will go on a trip next week. "

    My mother said to me that                  go on a trip                          .

8. Jenny said,"I have finished my homework. "

    Jenny said that               finished       homework.

9. Kate said to me,"We built the bridge two years ago. "

    Kate said to me that                     the bridge two years         .

10.The teacher told us,"The earth moves around the sun. "

     The teacher told us that the earth        around the sun.

循环流化床锅炉的飞灰循环倍率是飞灰再循环量与总灰量之比。（）

按照加涅的观点，学生的学习真正开始于（）

A.动机

B.习得

C.保持

D.领会