A.have polluted
B.is being polluted
C.has been polluted
D.have been polluted
A.different
B.differ
C.distinguish
D.transform
开始考试点击查看答案A.took
B.takes
C.has been taken
D.is taking
开始考试点击查看答案A.were
B.had been
C.are
D.have been
开始考试点击查看答案A.is raised
B.has risen
C.has arisen
D.is increased
开始考试点击查看答案A.was
B.have been
C.come
D.am coming
开始考试点击查看答案A.will be selected
B.are selected
C.have been selected
D.will have been selected
开始考试点击查看答案A.are being built
B.were being built
C.was being built
D.is being built
开始考试点击查看答案A.didn't listen
B.hadn't listened
C.haven't listened
D.wasn't listening
开始考试点击查看答案A.has taken place
B.will be taken place
C.is to take place
D.is to be taken place
开始考试点击查看答案A.hadn't known
B.didn't know
C.don't know
D.haven't known
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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