某工艺性空调房间尺寸为6.0m×4.0m×3.Om,房间冷负荷为1200W,湿负荷为

题型:单项选择题

问题:

某工艺性空调房间尺寸为6.0m×4.0m×3.Om,房间冷负荷为1200W,湿负荷为0,要求恒温为(20±0.5)℃,则满足气流组织的送风量为( )m3/h。

A.300
B.400
C.1200
D.900

考点:注册公用设备工程师暖通空调专业案例勘察设计注册公用设备工程师暖通空调专业案例
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下列关于金黄色葡萄球菌的描述正确的是( )

A.革兰染色阴性
B.能产生凝固酶
C.不发酵甘露醇
D.培养需要特殊培养基
E.皮肤为主要带菌部位

题型:单项选择题

用括号中所给词的适当形式填空 。

l.  —Did you _____ ( have)  a good weekend?

    —Yes, I _____  . I _____ (have) a nice weekend.  I _____ ( go)  to the beach.

2. —What _____ you _____ (do) last Sunday?

    —I _____ (study) for the English test.

3. —_____ (do) you have breakfast yesterday?

    —No, I _____. I_____ (get) up late. I just _____ ( drink) a cup of coffee.  But I _____ ( eat)  a lot for

        lunch.

4. —I went to a movie over the weekend. What about you?

    —I _____ (not do) my homework. I _____ (visit) my grandma.

5. —What did you do yesterday?

    —Yesterday we _____ (play) basketball on the playground. We _____ (be) excited.

题型:单项选择题

The thief fell to the ground, his left foot_______ and blood ________ down from his mouth.

A.breaking; running

B.broken; running

C.breaking; run

D.broken; run

题型:单项选择题

一般情况下,在利用水能、风能的过程中,我们利用的是(  )

A.利用水和空气的动能

B.利用水的重力势能,利用空气的动能

C.利用水和空气的重力势能

D.利用水的动能,利用空气的重力势能

题型:单项选择题

有关髋关节结核的描述,正确的是()

A.多见于儿童

B.双侧发病居多

C.不会形成寒性脓肿

D."4"字试验阴性

E.髋关节过伸试验阴性

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