按照计重收费车辆的车货总质量认定标准，低速货车为（）吨。
A、3
B、3.5
C、4
D、4.5
参考答案：D
反映胆汁淤积的血清酶有（）
A.丙氨酸氨基转移酶
B.5′-核苷酸酶
C.天冬氨酸氨基转移酶
D.碱性磷酸酶
E.γ-谷氨酰转移酶
用所给单词的适当形式填空。
1. Which do you like _____(well), a cat or a dog?
2. What fruit do you like _____(well)?
3. I think oranges are _____(juice) than bananas.
4. The machine is a great _____(helpful) in making cakes.
5. Could you tell me what the _____(different) is between a horse and a mule?
