单项选择题

A．$16．
B．$8．
C．$32．
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单项选择题
Nell Hunt' s design would finally lead to the improvement of the way of
A．recording direct sunshine
B．recording the hours of sunshine
C．using the energy of the sun
D．knowing how strong sunlight is
单项选择题
The writer seems to be encouraging the British industry to ______.
A．take better of schoolchildren
B．help schoolchildren in their studies
C．stop asking schoolchildren for suggestions
D．pay more attention to schoolchildren' s inventive power
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