A.used to; is used to
B.is used to; used to
C.used to be; used to
D.be used to; be used to be
A.is
B.are
C.was
D.were
开始考试点击查看答案A.has left
B.is to leave
C.will have left
D.leaves
开始考试点击查看答案A.dates back to
B.dated back to
C.dates back from
D.dated back from
开始考试点击查看答案A.has it rained; poured
B.has it been raining; pours
C.is it raining; is pouring
D.does it rain; has poured
开始考试点击查看答案A.faded
B.would fade
C.has faded
D.fades
开始考试点击查看答案A.is going
B.go
C.goes
D.are going
开始考试点击查看答案A.seemed
B.seems
C.had seemed
D.is seeming
开始考试点击查看答案A.it has; which
B.there exists; that
C.there is existing; which
D.there remains to be; that
开始考试点击查看答案A.has remained
B.are remained
C.remains
D.remain
开始考试点击查看答案A.is operated; operation
B.operates; are operated on
C.operates; are operated
D.operates; operates on
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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