世界上最强的凝血酶特效抑制剂
A.蜂毒 B.水蛭素 C.蝮蛇抗栓酶 D.牛磺酸 E.肝素
参考答案:B
句型转换。
1. My mother got them yesterday from the post office.(改为一般疑问句)
_____ your mother _____ them yesterday from the post office?
2. I think they would come tonight. (改为否定句)
I _____ think they _____come tonight.
3. They are making birthday cards for Brian.(对划线部分提问)
What _____they _____for Brain?
4. My group's favorite subject is physical education. (对划线部分提问)
______ favorite subject ______physical education?
5. We have lived in this neighborhood for two years. (对划线部分提问)
______ ______have you lived in this neighborhood?
下列地基处理方法中,能够起到排水作用,加速下部土层沉降和固结,适于处理3.0m以内软弱、透水性强的黏性土地基的是()。
A.灰土地基
B.素土地基
C.粉煤灰地基
D.砂和砂石地基