A.discovered
B.was discovered
C.has been discovered
D.would discover
A.didn't introduce
B.weren't introduced
C.haven't introduced
D.weren't introducing
开始考试点击查看答案A.damaged
B.had been damaged
C.had damaged
D.was being damaged
开始考试点击查看答案A.damaged
B.was being damaged
C.had damaged
D.had been damaged
开始考试点击查看答案A.Had
B.Has
C.Was
D.Is
开始考试点击查看答案A.had been found
B.was found
C.has been found
D.would be found
开始考试点击查看答案A.were sitting
B.were seated
C.seatedD.had seated
开始考试点击查看答案A.give
B.was given
C.was giving
D.had given
开始考试点击查看答案A.declared
B.have been declared
C.have declared
D.was declared
开始考试点击查看答案A.laughed at
B.was made fun
C.was laughed
D.was made fun of
开始考试点击查看答案A.are marked
B.were marked
C.have marked
D.had marked
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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