气调养护的原理是降氮充氧。
参考答案:错
-- Which do you prefer, oranges or apples? -- __________ . I' d like bananas.
A.Yes, both
B.Neither, thank you
C.Sure, I would
D.No, please
下列属于硝基咪唑类的是()。
A.甲硝唑
B.硝呋烯腙
C.呋喃唑酮
D.玉米赤霉醇