单项选择题

6，19，7，12，8，（）。

A．4
B．5
C．9
D．10

你可能感兴趣的试题

单项选择题

The problem Howe was trying to solve was______.
A．what kind of thread to use
B．how to design a needle which would not break
C．where to put the needle
D．how to get the thread to run smoothly around the needle

A.
A．what
B.how
C.where
D.how

单项选择题

Dreams are sometimes called 'secret messages to ourselves' because______.
A．strange images are used to communicate ideas
B．images which have no meaning are used
C．we can never understand the real meaning
D．only specially trained people can understand them

A.
A．strange
B.images
C.we
D.only