【题目】第二节
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。
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. 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. For example, the first letters of “My elephant eats too many eels” Spell out the hidden message “Meet me.”
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 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. For example “bridge“ might stand for “meet” and “out” might stand for “me.” The message “bridge out” would actually mean “Meet me.” 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.

【题目】Neil Gaiman is an English author of lots of science fiction and fantasy works.1His argument is that children shouldn’t be discouraged from reading what adults may think of as bad books. He is dead right.

A child in a library is an explorer venturing into a land where he has no map to guide him. This is part of the excitement. Everything is new.2His taste is yet unformed, and it cannot be formed until he has tried a variety of thing.

Not knowing what books are good or bad, an eager child will try very different things. 3At the age of eleven or twelve, I still read Enid Blyton Stevenson’s Kidnapped, was happily terrified by ghost stories and desperately wanted to be Rupert of Hentzau, a most attractive evil character in literature.

A child reads for enjoyment from all sorts of books. I can’t remember when I stopped reading comics like the Wizard and Hotspur, but I’m pretty sure that my reading of them continued even while I was delighted in Sherlock Holmes or in the short stories of HG Wells.

4 Never say “Don’t read that rubbish” or “You’re too young for that”. If he is really too young and the book is beyond him, he’ll put it aside. If he doesn’t, then he’s not too young, even if he misses much that an adult reader would find in it.

The only useful thing an adult can do is to give a child a book and say, “I think you might enjoy this.” Don’t complain if he doesn’t like it and turns to something that you think is bad. 5

A. Anything he reads may be attractive,too.

B. Everybody has a secret world inside of themselves.

C. For the young reader even a bad book has its own value.

D. Adults should be careful in what they say to a child about his reading.

E. Almost everyone who reads widely as an adult has read wildly as a child.

F. The world always seems brighter when you’ve just made something that wasn’t there before.

G. He is also a productive blogger and the point he gave in one of his blogs surely makes sense.

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