On a hot summer day in 2019，Li Xinze and his friend He Liantianze walked（A） _____a small pond（池塘）.It was （B） _____（fill） with smelly algae（水藻），making it hard for workers to clean up.From then on，the two 17-year-old boys from Hefei No.8 High School in Anhui set their minds on creating a robot to deal with this problem.
    On Aug 19，the 18th Song Ching Ling Award for Children's Invention was announced（公布）.Li and He's invention of a water surface cleaning robot（水面垃圾清理機器人） received the Gold Award.
    （C） It took them about four years to finish the robot.The robot moves like a boat and can be controlled from far away on the waterside.To collect garbage，the robot has two plates as"hands".Then a conveyor belt（傳送帶） is used for （D） _____（send） the garbage（垃圾） to a basket."There is also a heating sheet（加熱片） under the belt to help dry the garbage and make it easy to deal with，" said Li.
    （E） Compared to other robots，their robot is small and smart."It has a solar panel（太陽能電池板） set on top，"said He.
    The journey to build their robot was full（F） _____difficulties.But they worked hard to deal with these problems.One challenge was the balance（平衡） of the boat."It used to be heavy and easy to turn over.On the advice of our teacher，we changed the top part from steel（鋼） to alloy（合金） to make it light，" said Li.
    As for their next step，they hope to make the robot work on its own."We will continue to learn programming skills to make our dreams come true，"said He.

（1）將文中劃線句子（E）翻譯成漢語

與其它機器人相比，他們的機器人是小且智能的。

與其它機器人相比，他們的機器人是小且智能的。

（2）在文中（B）和（D）的空白處分別用括號內(nèi)所給詞的適當形式填空

filled

filled

，

sending

sending

。
（3）在文中（A）和（F）的空白處分別填入適當?shù)慕樵~

past

past

，

of

of

.
（4）將文中劃線句子（C）進行同義句改寫

They spent four years in finishing the robot.

They spent four years in finishing the robot.

（5）標題填空

Robots

Robots

for cleaning lakes