下列抗氧剂适合的药液为:硫代硫酸钠()
A.弱酸性药液
B.乙醇溶液
C.碱性药液
D.非水性药液
E.油溶性维生素类(如维生素A、D)制剂
参考答案:C
句型转换。
1.There is a supermarket across from the park. (改为一般问句)
_______ _______ a supermarket across from the park?
2. I like dolphins. Because they are very cute(划线部分提问)
_______ _______ you like dolphins?
3. Her English teacher is from the USA (同上)
_______ is her English teacher _______?
4. She often plays soccer after schoo1.(用now改写句子)
She _______ _______ soccer now·
5. It's humid today. (就划线部分提问)
_______ the weather_______?
膜片式汽油泵供油压力过高的原因是()
A、油道有堵塞物
B、泵膜弹簧过软
C、摇臂无自由行程
D、泵麽弹簧过硬行程太长