单吸式离心泵从叶轮的一侧进水,双吸式泵从叶轮的()进水。A、下方 B、一侧 C、两侧

题型:单项选择题

问题:

单吸式离心泵从叶轮的一侧进水,双吸式泵从叶轮的()进水。

A、下方

B、一侧

C、两侧

D、上方

考点:渠道维护工考试初级渠道维护工初级渠道维护工题库
题型:单项选择题

阅读理解下面的短文,然后按要求答题。

     There are twelve months in a year. The names of the twelve months are January, February, March,

April, may, June, July, August, September, October, November, December. Each month has thirty days

or thirty-one days. In a leap-year (闰年), February has twenty-nine days. A leap year comes once in

four years. There are 365 days in a year. There are seven days in a week. They are Sunday, Monday,

Tuesday, Wednesday, Thursday, Friday, Saturday. The parts of the day are morning, afternoon, evening

and night. April, June, September and November have thirty days. All the rest have thirty-one days, except

February alone.

1. Which month has twenty-nine days?[ ]

A. Every month.

B. Every month except February.

C. February in each leap-year.

D. February in every year.

2. Is Monday the first day of the week?[ ]

A. Yes, it is.

B. Yes, they are.

C. No, it isn't.

D. No, they aren't.

3. What day comes after Thursday?[ ]

A. Wednesday.

B. Friday.

C. Saturday.

D. Tuesday.

4. How many days are there in a year?[ ]

A. 7.

B. 365.

C. 12.

D. 29.

5. How many days are there in a leap-year?[ ]

A. 364.

B. 365.

C. 366.

D. 367.

题型:单项选择题

小脑幕裂孔疝,最好发生于下列哪个疾病()

A.颞叶肿瘤

B.小脑脓肿

C.小脑肿瘤

D.垂体肿瘤

E.脑干肿瘤

题型:单项选择题

每于经期吐衄,量较多,色鲜红,两胁胀痛,心烦易怒,口苦,治疗首选方剂是:()

A.丹栀逍遥散

B.顺经汤

C.清肝引经汤

D.一贯煎

E.清热固经汤

题型:单项选择题

某患者RBC2.0×1012/L,HGB78g/L,HCT0.22,此患者为( )

A.正细胞性贫血
B.大细胞性贫血
C.单纯小细胞性贫血
D.小细胞低色素性贫血

题型:单项选择题

地理信息系统的简要技术程序是()

A.信息源→数据处理→数据库→空间分析→表达

B.信息源→空间分析→数据处理→数据库→表达

C.信息源→空间分析→数据库→数据处理→表达

D.信息源→数据库→数据处理→空间分析→表达

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