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There is a third type of twins, but it is a very unusual one. Twins which are joined together at birth are known in western countries as Siamese twins.
59.It is difficult to tell identical twins apart because _______.
A.they are dressed in the same clothes B.they are dressed in the same color
C.they are very alike D.they are standing side by side
60.If the twins are easy to tell from each other, they are ______.
A.very probably non-identical twins B.surely identical twins
C.surely identical twins D.always a brother and a sister
61.Which of the following is NOT true according to this passage?
A.In the 1970s and 1980s a scientist did some research into the two main types of twins.
B.In the week of tests, he tested their speed of thinking, their speech, their memory and some other things.
C.There were twins who had been separated from each other as soon as they were born.
D.Very often, separated twins were found to choose things of the same kind, the same shape and the same color.
62.This passage mainly tells us _______.
A.the main types of twins B.what has been found out about twins
C.how twins are formed D.how a scientist studied twins
C
There were two interesting pieces of news items in the paper a few years ago. One was about a man who received a bill from the telephone company for $ 2,000 a month for doing nothing.
Computers are not the magical workers that some people say they are. They make mistakes, they’re sometimes slower than human beings and they’re easily fooled.
It’s in our everyday life that computers cause many problems. Let’s get back to using people instead of computers, before a mistake that we can’t put right.
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