题目内容

Some students can’t go to the show ______ the exam this week.

A．becauseB．because ofC．ifD．so

B

解析试题分析：根据语境可知此句的含义是这周有些学生因为考试不能去看演出。此题考查的重点就是考查because和because of的区别，因为the exam是短语表示考试，故用B。
考点：同义词组的区别
点评：because和because of都表示因为，二者的区别是because接句子because of接名词或名词性短语。要正确区分二者，要判断到底选用哪个，只要分析它在句子中的作用就行。

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                         UK students get more morrung rest
    You  get lost in the forest, and  then  you walk  forward  and  fall  over.
Opening  your eyes, you find yoursclfin a swimming pool full of chocolate.
Just when you're about to enjoy the chocolate,a voice shouls,“CET UP!!"
    This isn't some boot camp（新兵训练营）．It's the wake-up call that
every teenager in the UK goes through each morning.  Sleeping late is their
dream, but they have to get up and go to school early in themorning.
    Now,one  school  finally  understands  that asking teenagers to amve at
school at  9:00  a.m. is not just unfair but can also hurt both kids and their
studies.
    The Monkseaton High School in England recently decided to see whether
there was any diffrence  they started their school day one hour later, at 10:00 am instead of'9:00 am.
    The results have been  surprising. Since  the later start, 28 percent fewer
students  have been absent,seven percent fewer have  been late. Best of all,
students get higher test scores. One stude.nt, Emelye Hood, 13, said, "When
I get more sleep,I can focus(集中精力）more on my lessons.”
    In  trying the experiment（试验）,the  school  used studies by Oxford
scientist Russell Foster,a neuroscientist（神经系统学专家）．He says
that teenagers have different sleep cycles（周期）than adults.Adults are
active and ready for the day at 8:00 am, while teenagers aren't fully awake
until 10:00 am.
    Ryan Thompson, 13, also welcomes the later start. He says, "Now I get
to sleep and don't rush breakfast. It makes me much happier to go to
school.”
根据短文内容，判断下列句子的正误，正确的用“A，错误的用“B。
(     )1. The teenagers in the UK usually don't have enough time to sleep.
(     )2. One school in the UK has realized that it's good for kids to get more
sleep.
(     )3. The students can pay more attention to their studies if they get enough sleep.
(     )4. The teenagers can get ready for the day earlier than the adults.
(     )5.Many teenagers feel happy about the later start because they don't need to go to school in a hurry.

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