卟啉症包括()
A.先天性卟啉症
B.皮肤症群性卟啉症
C.遗传性粪卟啉症
D.变异型卟啉症
E.红细胞生成性原卟啉症
参考答案:B, C, D, E
5. It’s said that next month another 20,000 students will be ____ to colleges and universities
in our province.
A.agreed
B.allowed
C.admitted
D.Agreed
若某工作的尚有总时差为( )时,则不会影响工期。
A.正值
B.负值
C.零
D.零或正值