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【单选题】
Mr. Smith walked_______fast for us _______ catch up with. [ ]
A.
too; to
B.
such; that
C.
enough; that
D.
do; that
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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Mr. Smith is ______old _____ anything. He has to ask others to look after him.
A.
too; not to do
B.
too; to do
C.
so; not to do
【单选题】关于角膜接触镜材料的透氧性说法错误的是（）。
A.
透氧性以Dk值和Dk/L值来表示
B.
一般含水量越高，透氧性越高
C.
硅水凝胶软镜含水量低，透氧性低
D.
镜片越薄，透氧性越高
【单选题】From the last paragraph we know that one should______.
A.
face one's own weak points wisely
B.
study harder for a new school record
C.
make full use of one's own weak points
D.
feel sorry for one's own school record