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【单选题】
关于出汗的叙述,错误的是( )A.
汗液是等渗液
B.
汗腺受交感胆碱能纤维支配
C.
精神性发汗与体温调节无关
D.
主要发汗中枢位于下丘脑
E.
人体不感蒸发与汗腺无关
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反馈参考答案：
举一反三
【单选题】The murder took place around ten o' clock p. m. on June 10. Thirty-two people watched Kitty being killed right beneath their windows. She was their neighbor. Yet, none of the 32 helped her. Not even o...
A.
Because they were afraid to be killed.
B.
Because they were cruel in their hearts.
C.
Because they thought others would help.
D.
Because they didn't notice the emergency,
【单选题】According to paragraph 2, what causes continents to move one or two centimeters each year?
A.
Hot rock.
B.
The Earth's mantle.
C.
Oceanic crust.
D.
Mid-ocean ridges.
【单选题】机用平口钳与台虎钳有所不同,其螺旋机构属于( )
A.
螺母固定，螺杆又转又移
B.
螺杆固定，螺母又转又移
C.
螺杆原位转动，螺母直线移
D.
螺母原位转动，螺杆直线移
【单选题】Exceeding speed limits and ______ safety belts are two common causes of automobile death.
A.
not having worn
B.
not to wear
C.
failing to wear
D.
don't wear
【单选题】According to the talk ,what are the two causes of declining business school enrollments?
A.
Lack of necessity for an MBA degree and an economic recession.
B.
Low salary and foreign competition.
C.
Few MBA schools and fewer entry-level jobs.
D.
Shrinking job market and economic prosperity.
【简答题】使用CSS来美化页面背景、图片、段落文字,设置的效果如图所示。
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