在同学们参加升学考试所居住的宾馆里,在卫生间会安装一种CDR-30B型贮水式电热

题型:问答题

问题:

在同学们参加升学考试所居住的宾馆里,在卫生间会安装一种CDR-30B型贮水式电热水器.热水器的铭牌如下表所示.问:

江山牌电热水器
型号:CDR-30B容量:30L
电压:220V/50Hz功率:1800W
额定压力:DN/cm2尺寸:437×448×366
(1)若热水器内贮满额定容量的水,通电后把水从20℃加热到80℃,需要供给多少热量?

(2)要共给这些热量,电热水器要工作多少分钟?(不计热量损失)

考点:热量的计算电功或电能的计算密度公式的应用
题型:问答题
用方框中所给词或短语的适当形式填空。(有两个是多余的)
thought,  Eating,  have,  before,  difficult,  little,  gave,  smoke,  
to eat,  take away,  worried,  after
      Most people like    1    sweets and ice cream better than meat and rice.  If we eat them    2   a meal,
it's OK.  But if we eat them   3 _ a meal, they may    4    0ur appetite(食欲).  It is important for us    5    
our meals regularly each day.  When we feel    6    or excitcd, we may not want to eat.
     When a man is worrying about something,  it is    7     for him to swallow (吞) anything dry because he has    8     appetite. Many years ago, some judges in .England often    9   a man some dry bread.  If the
man could not swallow the bread, they    10    he was telling lies.
1. _        2. _       3. _       4. _        5. _       
6. _        7. _       8. _       9. _        10. _       
题型:问答题

男,60岁,头痛,前额部局部隆起。查体:前额部局部隆起处可触及乒乓球样肿块。CT显示:额窦腔扩大,内为低密度软组织影,边缘光滑呈弧形,可见细线样囊壁,其内CT值为20HU。拟诊为()

A.额窦黏液囊肿

B.额窦黏膜下囊肿

C.额窦急性炎症

D.额窦脓肿

E.额窦癌囊变

题型:问答题

伴有高血压的消化性溃疡患者不宜用()

A.制酸剂

B.甲氰咪胍

C.生胃酮

D.抗胆碱能药

E.硫糖铝

题型:问答题

--Sir, I feel it complicated to apply to a university abroad.

--Why not read our guide? This is ________ the relevant information is available.

A.what

B.how

C.where

D.that

题型:问答题

研和法制备油脂性软膏剂时,如药物是水溶性的,宜先用少量水溶解,再用哪种物质吸收后与基质混合

A.液状石蜡
B.单硬脂酸甘油酯
C.蜂蜡
D.羊毛脂
E.白凡士林

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