单词拼写。根据汉语或首字母的提示写出单词，使句子完整与正确。
1.      Safety is the most important ____________(考虑) in choosing a car.
2.      After learning each unit, the teacher will ask us to make a s_____________ of what we have learnt.
3.      The museum is open daily _______________(贯穿) the year.
4.      I was late in getting to the station, but f______________, the train was late too.
5.      Giving up smoking r___________ the chances of getting heart disease.
6.      Although England lost the match against Germany, they are still one of the most o_______________(杰出的) teams in the fans’ mind.
7.      The teacher didn’t explain the problem clearly, so may student were c_______________.
8.      The a______________ burst into laughter when the clown appeared in the funny hat.
9.      The children are busy _____________(划线标出) the new words in the text.
10.  Observation and exploration are common means in scientific research that could bring major ________________(发现).