单项选择题

A．Much smaller than a human hair.
B．A little bigger than the bacteria.
C．One billion times smaller than crystals.
D．As big as a virus or a cell.
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单项选择题
A．On Jan. 16th.B．On Tuesday.C．On Sunday.D．On the Boxing Day.
A．On Jan. 16th.
B．On Tuesday.
C．On Sunday.
D．On the Boxing Day.
单项选择题
A．The decreasing militant attacks.B．The innovation of Palestinian Authority.C．The improving economic situation.D．The new Israeli coalition government.
A．The decreasing militant attacks.
B．The innovation of Palestinian Authority.
C．The improving economic situation.
D．The new Israeli coalition government.
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