两个合数也有可能是互质数，比如8和9是互质数．______．
根据互质数的意义，8和9只有公因数1，所以8和9是互质数．
故答案为：正确．
某导体接到6V电压下，它消耗的功率是6W；将改接到12V的电压下，这个导体的功率是________W。
He decided that he would drive all the way home instead of ________ at a hotel for the night.[ ]
A. putting down
B. putting off
C. putting on
D. putting up
