A.Photosynthesis brings plants energy.

B.There are efficient ways to charge phones.

C.The energy cycle of the plant is quite powerful.

D.Chilean students find a green way to charge phones.

Ⅱ.七选五阅读

　　Secret codes (密码)keep messages private.Banks,companies,and government agencies use secret codes in doing business,especially when information is sent by computer.

　　People have used secret codes for thousands of years.　1　 Code breaking never lags (落后) far behind code making.The science of creating and reading coded messages is called cryptography.

　　There are three main types of cryptography.　2　 For example,the first letters of "My elephant eats too many eels" spell out the hidden message "Meet me."

　　　3　 You might represent each letter with a number,for example.Let's number the letters of the alphabet,in order,from 1 to 26.If we substitute a number for each letter,the message "Meet me" would read "13 5 5 20 13 5."

　　A code uses symbols to replace words,phrases,or sentences.To read the message of a real code,you must have a code book.　4　 For example,"bridge" might stand for "meet" and "out" might stand for "me." The message "Bridge out" would actually mean "Meet me." 　5　 However,it is also hard to keep a code book secret for long.So codes must be changed frequently.

A.It is very hard to break a code without the code book.

B.In any language,some letters are used more than others.

C.Only people who know the keyword can read the message.

D.As long as there have been codes,people have tried to break them.

E.You can hide a message by having the first letters of each word spell it out.

F.With a code book,you might write down words that would stand for other words.

G.Another way to hide a message is to use symbols to stand for specific letters of the alphabet.

Ⅲ.短文改错

　　(2018·福建福州八县一中第二次月考)

　　In order to be successful,you should first of all never give up whatever happen.If you fail,you should never lose heart.In the contrary,you must build up your confidence or work even harder.You should always remember that working hard was the key to success.Besides,you should pay a great attention to your working methods.That is necessary for you to take every chance improve them.Finally,you should try to get along well with your co-workers,cared for each other and helping each other.If you follow these rule,you will certain achieve great success in the future.答案：

Ⅰ.【解题导语】本文为说明文,题材为日常生活类。家中绿植的作用不再只是美化环境:如今,家中的绿植还可以用来给手机充电。

1.C　细节理解题。由第三段的第二、三句可知,植物只能使用一小部分通过光合作用产生的能量,剩余的能量会进入土壤中,而E-Kaia正是从土壤中收集能量。　

2.A　词义猜测题。由画线词前后的brought和worked以及最后-段的"to go on sale in December"可推知,它指的是这种还未进行销售的植物充电的"原型样品(original model)"。