部分性生长激素缺乏（）
A.<10μg/L
B.>10μg/L
C.<5μg/L
D.>5μg/L
E.5～10μg/L
参考答案：E
The accident is ________ reminder of the potential dangers involved in ________ oil production in this area.
A．a; the
B．the; /
C．the; the
D．/; a
何谓原子吸收光谱?
