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阅读下列文字,回答问题 写《自然与人生》的日本作家德富芦花,观察过落日。他记录太阳由衔山到全然沉入地表,需要三分钟。我观察过一次日出,日出比日落缓慢。观看落日,大有守临终之感;观看日出,则像等待伟大英雄辉煌的诞生。 1 太阳从露出一丝红线,到伸缩着跳上地表,用了约五分钟。 世界上的事物在速度上,衰落胜于崛起。 我看到一具熊蜂的尸体,它是自然死亡,还是因疾病或敌害而死,不得而知。它偃卧在那里,翅零乱地散开,肢蜷曲在一起。它的尸身僵硬,很轻,最小的将它推动。我见过蜂巢、土蜂巢、蜜蜂巢和别的蜂巢,但从没有见过熊蜂巢。熊蜂是穴居者,它们将在房屋的立柱、檩条 、横梁、椽子或枯死的树干上。 2 熊蜂从不集群活动,它们个个都是英雄,单枪匹马到处闯荡。 熊蜂是昆虫世界当然的,它们身着的黑黄斑纹,是在地上最怵目的图案,恐怖。老人们告诉过孩子,它们能蜇死。
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【单选题】LEARN KEY SKILLS FOR YOUR COMPUTER - ON YOUR COMPUTER? Computers are now as commonly used in business as the telephone. Therefore, it's important that people know how to use (29) efficiently. Now, you...
A.
them
B.
it
C.
they
【简答题】大气压是由于______而产生的,大气压随海拔高度的变化而变.随着海拔的升高大气压强将______,随着海拔的降低,大气压强将______.液体的沸点随大气压强的降低而______.
【单选题】Amy, I want this report typed today. --- (_______) .
A.
It will be ready in the afternoon, sir
B.
I'd like you to help me
C.
I know nothing about the report
D.
Leave it to tomorrow
【单选题】I had meant to meet you at the airport this morning, but I was too busy for I_______ a report.
A.
wrote
B.
have written
C.
was writing
D.
had written
【单选题】气压随海拔高度升高而
A.
升高
B.
减少
C.
不变
D.
升高或减少
【单选题】—Have you finished your report yet? —No , I ’ llfinish it in ten minutes .
A.
. another      
B.
. other             
C.
. more                  
D.
. less
【判断题】合金的性能优于纯金属,原因很多,但归根结底是由于添加了合金元素,使金属的组织和结构发生了改变。
A.
正确
B.
错误
【简答题】A computer virus is a program or piece of code that is loaded onto your computer without your knowledge and runs against your wishes. All computer viruses are manmade. Here are some virus prion t...
【判断题】合金的性能常优于纯金属,其原因很多,但归根结地是由于添加了合金元素使金属的组织和结构发生了变化。
A.
正确
B.
错误
【单选题】______ notebook and report that I promised you last week.
A.
Here is the
B.
Here are the
C.
Is here the
D.
Are here the
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