生物转化的特点不包括( )
A.连续性 B.多样性C.解毒和致毒的双重性 D.全面性
参考答案:D
解析:生物转化的特点:连续性,多样性、解毒和致毒的双重性。
用所给单词适当形式填空
1. People in Colombia are __________(relax) about time.
2. She __________(most) goes back home to see her parents on weekends.
3. They are used to __________(swim) in winter.
4. __________(be) on time is very important.
5. When you __________(invite) for 7: 00, you'd better make it a little earlier.
6. You're supposed to type quickly so the other person doesn't get __________(bore).
7. Don't be nervous just make yourself __________(feel) at home.
8. It's polite to keep quiet while __________(eat) noodles in China.
9. Thank you for __________(type) the words for me. It's helpful.
10. I'm __________(gradual) getting used to running for exercise.
某重力式挡墙如下图所示,墙身重度为γ=22kN/m3,墙背倾角为60°,墙面直立,顶宽为0.8m,其他尺寸见图,墙底与地基土间摩擦系数为0.35,每延长米墙背上受到的主动土压力合力的标准值为75kN,其作用点距墙踵的距离为1.70m,墙背与填土间摩擦角为15°,墙底面水平,按《建筑边坡工程技术规范》(GB50330-2002)计算。
抗倾覆稳定性系数K0为()。
A.1.3
B.2.5
C.4.0
D.5.1