1÷a(a≠0)的商一定是a的倒数.______.(判断对错)
求一个非0数的倒数,可用1除以这个数,
因此,1÷a(a≠0)的商一定是a的倒数是正确的.
故答案为:√.
下列氨基酸经代谢转变能生成酮体的是
A.Lys
B.Thr
C.Ile
D.Ala
It is in the city ________ you’re going to pay a visit to _______ this kind of beer is produced.
A./; that
B.where; that
C./; where
D.that; which