A.have
B.have been
C.was
D.is
A.aren't decided
B.isn't being decided
C.hasn't been decided
D.haven't been decided
开始考试点击查看答案A.hasbeen
B.are
C.was
D.were
开始考试点击查看答案A.seemed to be praised
B.seems to have been praised
C.seemed to have been praised
D.seems to be praised
开始考试点击查看答案A.that have been shown this year
B.that have shown
C.that has been shown this year
D.that you talked
开始考试点击查看答案A.sell; have been sold out
B.sold; had sold out
C.sell; sell out
D.are sold; have been sold out
开始考试点击查看答案A.are used; is
B.is being used; is
C.have been used; are
D.has been used; are
开始考试点击查看答案A.declared
B.have been declared
C.have declared
D.were declared
开始考试点击查看答案A.is used
B.are used
C.has been used
D.have been used
开始考试点击查看答案A.had discovered
B.had been discovered
C.has discovered
D.has been discovered
开始考试点击查看答案A.have polluted
B.is being polluted
C.has been polluted
D.have been polluted
开始考试点击查看答案高中数学代数与函数一数系的扩充与复数的引入36
类别:数学(文科)高中数学代数与函数一数系的扩充与复数的引入28
类别:数学(文科)高中数学代数与函数一数系的扩充与复数的引入29
类别:数学(文科)高中数学代数与函数一数系的扩充与复数的引入30
类别:数学(文科)高中数学代数与函数一数系的扩充与复数的引入31
类别:数学(文科)高中数学代数与函数一数系的扩充与复数的引入32
类别:数学(文科)高中数学代数与函数一数系的扩充与复数的引入33
类别:数学(文科)高中数学代数与函数一数系的扩充与复数的引入34
类别:数学(文科)高中数学代数与函数一数系的扩充与复数的引入35
类别:数学(文科)高中数学代数与函数一数系的扩充与复数的引入26
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