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【简答题】
单词拼写。 1. It is reported that the best-seller of the famous novelist has been t_____ into many foreign languages. 2. It is not as c_____ as it was to go to school, for the new house is farther away. 3. The doctor e_____ the boy and found there was nothing the matter with him. 4. The old man was so a_____ in the book that he didn't hear the knock at the door. 5. They tried to p_____ him to give up smoking, but he just wouldn't listen. 6. The movie is wonderful, but are there any tickets a_____? 7. S_____ of objects are longer when the sun is low in the sky. 8. This medicine is p______ if taken in large quantities. 9. Movies and TV have a great i______ on people's life today. 10. Smoking c_____ produces many harmful effects and have no real benefits.
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【简答题】简述3DP工艺与SLS工艺的异同点。
【简答题】若不等式：kx 2 -2x+6k＜0（k≠0） ①若不等式解集是{x|x＜-3或x＞-2}，试求k的值； ②若不等式解集是R，求k的取值范围．
【简答题】（12分）设关于 的不等式 （1）当 时，解这个不等式； （2）若不等式解集为 ，求 的取值范围；
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【简答题】若不等式kx 2 -2x+6k<0（k≠0）。 （1）若不等式解集是{x|x-2}，求k的值； （2）若不等式解集是R，求k的取值。
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【单选题】Many electric car owners consider the debate over charging points all a bit of a fuss. {A; B; C}
A.
许多电动车车主都认为充电点很吵闹。
B.
许多电动车车主都为充电点在争论。
C.
许多电动车车主都认为争论充电点有点大惊小怪。