下列反应属于四种基本反应类型之一,且化学方程式完全正确的是[ ]
A.
答案:C
.You ________ read in the sun, it’s bad for your eyes.
A. ought not B. ought to C. ought not to
血尿出现最早见于()
A.肾癌
B.肾盂癌
C.肾下垂
D.多囊肾
E.肾胚胎癌