皮皮学，免费搜题
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【单选题】
在Inmarsat-F系统中，电话业务大西洋东区洋区码为（）。A.
871
B.
872
C.
873
D.
874
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【多选题】下列指标中属于强度相对指标的有( )。
A.
某市医院床数与该市人口数之比
B.
某市人口数与该市土地面积数之比
C.
我国国民收入与我国人口数之比
D.
甲地区工业总产值与乙地区工业总产值之比
E.
我国男性人口数与全国人口数之比
【简答题】Please give him a m______ to say that I will be late.
【单选题】为强化传热在蒸汽与空气间壁换热过程,下列方案中的_____在工程上可行。
A.
提高蒸汽流速；
B.
采用过热蒸汽以提高蒸汽温度；
C.
提高空气流速；
D.
在蒸汽一侧管壁上加装翅片，增加冷凝面积并及时导走冷凝液;
【单选题】-I'm so sorry that I will be late for the party. - .
A.
That's all right
B.
That's right
C.
It's a pleasure
【单选题】The clock has stopped. I ( ) get it go again and set the alarm, or I will be late again tomorrow.
A.
could
B.
might
C.
would
D.
must
【简答题】a. It’s about two kilometers away. b. Which bus should I take? c. Where is the bus station? d. You’re welcome. e. Go down this street and turn left at the traffic lights. Jane: Excuse me. Could y...
【单选题】— Mike, you had better hurry up, or you will be late ______ class. — Ok, Mum. I will be quick.
A.
with
B.
for
C.
of
D.
on
【单选题】---Would you mind if I ask you one more question? -____ . I will be late for a meeting.
A.
Not at all
B.
Never mind
C.
Better not
D.
Of course not
【单选题】687 对在蒸汽与空气间壁换热过程中,为强化传热,下列方案中的_____在工程上可行。( )
A.
提高空气流速
B.
提高蒸汽流速
C.
采用过热蒸汽以提高蒸汽温度
D.
在蒸汽一侧管壁上加装翅片，增加冷凝面积并及时导走冷凝液
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