A.risked drowning
B.risking drowning
C.risked being drowned
D.risking to be drowning
A.Having not been allowed
B.Not having allowed
C.Because of not having allowed
D.Not having been allowed
开始考试点击查看答案A.called; that
B.calling; that
C.is called; that
D.called; it
开始考试点击查看答案A.to make sure
B.make sure
C.making sure
D.be made sure
开始考试点击查看答案A.risen
B.arising
C.raising
D.rising
开始考试点击查看答案A.to help
B.helping
C.help
D.helped
开始考试点击查看答案A.done
B.to do
C.doing
D.being done
开始考试点击查看答案A.operate; where
B.operating; which
C.to operate; that
D.operated; what
开始考试点击查看答案A.Not known how to
B.Unknown what to do to
C.His knowing not how to
D.His not knowing how to
开始考试点击查看答案A.belonging to
B.belonged to
C.being belonged to
D.belong to
开始考试点击查看答案A.read
B.reading
C.to read
D.look
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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