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【多选题】
下列关于造父变星说法正确的是()A.
这类变星的光度变化在0.1~2.0等之间
B.
这类变星的亮度变化是周期性的
C.
造父变星又称为长周期造父变星或经典造父变星，是脉动变星的一种
D.
根据大量对造父变星的研究表明，造父变星的周期越长，其平均光度越小
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【简答题】I was in the middle of writing the essay when my computer suddenly stopped working properly. (go wrong) Something suddenly__________ with my computer when I was in the middle of writing the essay.
【单选题】The success story started in northern Italy towards the end of the Second World War. Leone Benetton had a bicycle rental (租赁) business in the town of Treviso. He wanted his oldest son Luciano to study...
A.
Sell clothes.
B.
Build a factory.
C.
Learn medicine.
D.
Run a bicycle business.
【单选题】The woolen sweaters you delivered do not _____ the sample we provided.
A.
like
B.
as
C.
match
D.
fit
【简答题】I was (in the middle of writing the essay) when my computer suddenly stopped working properly.
【简答题】根据汉语意思或所给的首字母写出恰当的单词，补全句子，一空一词。(共10小题；每小题1分，满分10分) 小题1:As far as I am c________, the best color is red. 小题2:The public p__________ the government by marching on the street. 小题3:Parents won’t miss the ...
【单选题】The purpose of the author in writing the text is to ______.
A.
introduce the Amazon River
B.
illustrate some facts about Amazon River cultures
C.
show the present situation of Amazon River
D.
compare the differences between world cultures
【简答题】You welcome the inquiry and go on to describe the superiority of your products. Put the Chinese in the letter into English. Thank you for your inquiry of May 4 for our woolen sweaters. 现寄上我们的产品目录和价格表。...
【单选题】—Hello, John. How’s your latest bookgoing? I mean the one you’re writing on the Loch Ness monster. —Well, ( ) . —Oh dear. Why’s that? —Well, the inspiration’s there but everythingelse is wrong. One da...
A.
it’s going rather slowly at present
B.
I’ve nearly finished it now
C.
nobody has found the monster yet
D.
the editor asked me to stop writing
【简答题】The success story started in northern Italy towards the end of the Second World War. Leone Benetton had a bicycle rental (租赁) business in the town of Treviso. He wanted his oldest son Luciano to study...
【单选题】I decided to ignore the rumor as I did not want anything to ( ) me from writing the paper.
A.
distract
B.
saddle
C.
shift
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