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举一反三
【单选题】. By the end of last year the railway_______.
A.
was being completed
B.
would be completed
C.
had been completed
D.
had completed
【简答题】( ) 6. By the end of last term, the students ___1600 new words.A. learned B. have learned C. had learned D. learn
【单选题】某企业建造厂房领用原材料一批，成本为4000万元，原购入时确认的增值税进项税额为680万，则下列关于领用原材料的处理正确的是()。
A.
借：在建工程4680 贷：原材料4000 应交税费一一应交增值税(进项税额转出)680
B.
借：管理费用4000 贷：原材料4000
C.
借：管理费用4680 贷：原材料4000 应交税费一一应交增值税(进项税额转出)680
D.
借：在建工程4000 贷：原材料4000
【单选题】.By the end of last week, we_____about twenty English songs.
A.
have learned
B.
had learned
C.
learned
D.
were learning
【单选题】By the end of last term, I___ ten books.
A.
had finished reading
B.
have finish reading
C.
had finish to read
D.
finish read
【单选题】下列关于公钥密码体制说法不正确的是（）。
A.
公钥密码体制中仅根据密码算法和加密密钥来确定解密密钥在计算上是可行的
B.
在一个公钥密码体制中，一般存在公钥和私钥两个密钥
C.
公钥密码体制中仅根据密码算法和加密密钥来确定解密密钥在计算上是不可行的
D.
公钥密码体制中的私钥可以用来进行数字签名
【简答题】用所给动词的适当形式填空。 1. By the end of last year, the famous writer _____ (write) 20 books. 2. When we _____ (get) to the cinema, the film _____ (on) for half an hour. 3. Before he _____ (come) here, he _____...
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