1. IQ, or Intelligence Quotient, is a number designed to indicate a person´s intelligence?..his or her ability to solve problems.1) instead of
2) for the purpose of
3) in term of
4) in spite of
| 2. The sex of a child is determined by parents chromosomes called sex chromosomes, X and Y. The mother always contributes an X. The father, on the other hand, may contribute either an X or a Y. ??.., the chromosomes from the mother and father form one of two patterns : an XX-a baby girl, or XY-a baby boy.1) Surprisingly then
2) Therefore, when united
3) However, if separated
4) Consequently, from time to time
| 3. One of the great technological innovations in the last two hundred years was the process of refining oil into gasoline????., the internal combustion engine would not have been practical and cars might not have been developed.1) Without this
2) As a result
3) Because of this
4) For example
| 4. The world relies heavily on fossil fuels, yet other excellent sources of energy???? Hydroelectricity, for example, is a very attractive from of energy.1) offer a lot of disadvantages
2) cannot be replaced
3) have already been developed
4) are much less efficient
| 5. He is happy to welcome you into his home, ????.1) a small apartment on sukhumvit road
2) his father came from china
3) that is, his bedroom is being repainted
4) he is a part-time teacher
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