苯胺急性中毒所致高铁血红蛋白血症的特效解毒剂是()
A.亚硝酸异戊酯
B.大剂量亚甲蓝
C.小剂量亚甲蓝
D.亚硝酸钠
E.硫代硫酸钠
参考答案:C
句型转换。
1. The soccer is fifty dollars.(对划线部分提问)
2. Do you remember playing basketball ?(作肯定回答)
3. Let's tell him about the party.(变为否定句)
4. The class begins on Monday.(对划线部分提问)
5. We had umbrellas and boots.(改为一般疑问句)
脊柱损伤后,跟腱反射消失,膝腱反射正常存在,损伤的脊髓平面可能是
A.S1以下平面B.S2C.L5D.L2E.L1