对级配碎石材料，基层压实度应不小于（ ）
【单选题】
林可霉素类的主要作用机制是
A.
阻碍细菌细胞壁合成
B.
抑制细菌蛋白质合成
C.
抑制细菌DNA的合成和复制
D.
抑制细菌的叶酸代谢
E.
破坏细菌的线粒体
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参考解析
【单选题】
新题型
Zoos which spare no effort to take care of animals should not be subjected to unfair criticism.
To pressure zoos to spend less on their animals would lead to inhumane outcomes for the precious creatures in their care.
While animals in captivity deserve sympathy, zoos play a significant role in starting young people down the path of related sciences.
Zoos save people trips to wilderness areas and thus contribute to wildlife conservation.
For wild animals that cannot be returned to their natural habitats, zoos offer the best alternative.
Zoos should have been closed down as they prioritize money making over animals' wellbeing.
Marris distorts our findings which actually prove that zoos serve as an indispensable link between man and nature.
【单选题】
赵先生准备五年后买房，现在开始准备首付款。理财师为他推荐一款年化收益率为7%的基金产品，如果李先生每年年末投资2万元，那么5年后，李先生的购房首付款是（ ）万元。（答案取近似数值）
12.50
10.50
11.50
9.50
【C型选择题】
患者，女，23岁。左关节红肿热痛，活动受限，舌红，脉数。医师建议选择防己配伍应用。防己的功效是（ ）
祛风湿，止痛，利水
祛风湿，舒筋络，化湿和胃
祛风湿，散寒止痛，解表
祛风湿，活血通络，解蛇虫毒
祛风湿，清虚热，利湿退黄
