【单选题】某多层房屋建在稳定的土质边坡坡顶,采用墙下混凝土条形无筋扩展基础,混凝土强度等级C15。基础及边坡情况如下图所示。 无筋扩展基础所用材料的抗拉、抗弯性能较差,为了保证该基础有足够的刚度,以下何项措施最为有效?()
【单选题】听力原文:M: Didn't you go to the party last night either? W: No, I caught a cold. Q: What do you know from this conversation? (16)
A.
That the man went to the party, but the woman did not.
B.
That the woman went to the party, but the man did not.
C.
Neither of them went to the party.
D.
Both of them went to the party.
【单选题】Questions 20 to 22 are based on the recording you have just heard.
A.
Good talkers will be able to talk about it for a long time.
B.
It is a good way to show the talker’s plentiful knowledge.
C.
It can be brought out in a conversation and fascinate others.
D.
Most people can say something about psychology and sociology.
【单选题】Questions 20 to 22 are based on the passage you have just heard.
A.
Teachers should be trained for the same model.
B.
It doesn't satisfy the need of every student.
C.
It will have an adverse effect upon the students.
D.
They can not guarentee excellence for all.
【判断题】无筋扩展基础通常主要是由砖、毛石、混凝土和灰土等材料组成的基础,因为材料抗压性能比较好,所以无须配置钢筋。
【单选题】证券公司受期货公司委托从事中间介绍业务时,可()。
【单选题】下列哪些情况属于固有耐药性( )
A.
厌氧菌因缺乏氧依赖性转运机制而对氨基糖苷类药物产生的耐药性
E.
产生修饰氨基糖苷类的钝化酶而使药物灭活产生耐药性