正常成人甲状腺重量约为()。
A.10-20g
B.20-30g
C.30-40g
D.40-50g
E.50-100g
参考答案:B
The Kyoto Protocol has been designed to ________the global environmental problems.
A.dress
B.address
C.stress
D.distress
某计算机字长是16位,它的存储容量是64KB,按字编址,寻址范围是( )。
A.32K
B.32KB
C.64K
D.64KB