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【单选题】
上皮组织的特点之一是组织中A.
有丰富的血管和神经末梢
B.
无血管无神经末梢
C.
无神经末梢
D.
有血管无神经末梢
E.
无血管有丰富的神经末梢
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举一反三
【简答题】a___________ n. the act of finishing sth. completely and successfully 2. a___________ v. to gain 3. a___________ v. to take as a fact 4. b___________ n. (infml) a very tall and thin person 5. c_______...
【简答题】a___________ n. the act of finishing sth. completely and successfully 2. a___________ v. to gain 3. a___________ v. to take as a fact 4. b___________ n. (infml) a very tall and thin person 5. c_______...
【多选题】钢的退火工艺种类很多,一类是在临界温度(Ac1或Ac3)以上的退火,又称为相变重结晶退火,包括()()()和()等;
A.
完全退火
B.
不完全退火
C.
球化退火
D.
扩散退火（均匀化退火）
【简答题】请写出表示以下意思的英文单词: n.(U) the fact or state of being present
【简答题】“You are very selfish. It’s high time you ________ that you are not the most important person in the world,” Edgar said to his boss angrily. A) realized B) have realized C) realized D) should realize
【单选题】—You are very nice in red. —_____. [ ]
A.
That's all right
B.
Oh, no
C.
Thank you
D.
You are so good
【单选题】将钢加热到A 3 以上或A 1 左右一定温度,保温后缓慢(一般随炉冷却)而均匀冷却的热处理方法称为退火,他可以( )。
A.
提高钢的硬度、提高塑性
B.
降低钢的硬度、提高塑性
C.
提高钢的硬度、降低塑性
D.
降低钢的硬度、降低塑性
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