He is __________ than any other student in his class.
A:tall
B:taller
C:tallest
D:higher
回答下列问题:
____鼠→丑____→寅____→卯____→辰____→巳____→午____→未____→申____→酉____→戌____→亥____
下列研究金属丝电阻的大小与材料关系的实验中,正确的做法是( )