水力疏通适用于()。 A.小型管道 B.中大型管道 C.大型管道 D.各种管径的下水

题型:单项选择题

问题:

水力疏通适用于()。

A.小型管道

B.中大型管道

C.大型管道

D.各种管径的下水道

考点:土木工程建筑技能考试下水道养护工中级考试下水道养护工中级考试题库
题型:单项选择题

下列现象中,看到的是物体虚像的是(  )

A.观赏站在浅水中的天鹅及其倒影

B.看幻灯机放映的图象

C.从模型潜望镜中观察景物

D.从显微镜下观察植物茎切片

题型:单项选择题

阅读下面短文,按照句子结构的语法性和上下文连贯的要求,在空格处填人一个适当的词或使用括号中词语的正确形式填空,并将答案填写在答题卡标号为16 ~ 25的相应位置上。

As a child, I was always out exploring my local area, whether swimming at the beaches or hiking through the bush. Australia’s outdoor lifestyle had me hooked on adventure and nature. I always wanted to explore   16  else was out there. Going on family holidays to many of the East Coast beach towns was always   17  fun adventure into the   18  (know). I came to love the beauty of world, and began to recognize just   19  much the planet had to offer, even   20  my experience of it was only in my backyard.

Also, Australia is very remote and detached from the rest of the world.   21  (Europe) often drive into other countries for   22   summer vacations. We never had that luxury and   international travel seemed all the more exotic and   23  (adventure) to me. Very often, we   24  (expose) to other countries through TV and movies,   25  I wanted to experience it for myself.

题型:单项选择题

炎性乳腺癌的临床表现包括

A.多见于哺乳期年轻女性

B.病变 * * 皮肤红肿、发热

C. * * 内可及肿块

D.病变往往侵及对侧 * *

E. * * 内缩

题型:单项选择题

心理发展探讨的基本问题是()。

A.心理发展的年龄特征

B.心理发展的机制

C.学习规律

D.心理健康

题型:单项选择题

在EXCEL中对单元格求和的步骤是()

A.单击用来放置求和结果的单元格

B.单击常用工具栏中的自动求和标志

C.选定求和的单元格区域

D.按回车键

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