皮皮学，免费搜题
登录
搜题
【单选题】
下列字符序列中,可用作 C 标识符的一组字符序列是( )A.
S.b ， sum ， average ， _above
B.
class ， day ， lotus_1 ， 2day
C.
#md ， &12x ， month ， student_n!
D.
D56 ， r_1_2 ， name ， _st_1
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【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？（）
A.
调整基础底面的平均压力
B.
控制基础台阶宽高比的允许值
C.
提高地基土的承载力
D.
增加材料的抗压强度
【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.
【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
B.
β－内酰胺类产生β－内酰胺酶而耐药
C.
细菌利用外源性叶酸而对磺胺类耐药
D.
金黄色葡萄球菌时青霉素的耐药
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
相关题目：
参考解析：
知识点：
题目纠错 0
发布
