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【单选题】
当靶腺体分泌的激素在血液中浓度过,便反馈抑制下丘脑,使下丘脑的释放激素分泌减少。这种反馈称为()。A.
“短反馈”
B.
“长反馈”
C.
“中反馈”
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【单选题】男，40岁，平时喜欢饮热开水及热粥，近5个月有进食困难，并逐渐加重。钡餐检查：食管中段有5cm狭窄，黏膜断裂，最可能的诊断是
A.
食管癌
B.
食管炎
C.
食管静脉曲张
D.
食管瘢痕性狭窄
E.
食管静脉曲张
【简答题】已知某流域(F=225.3km 2 )3h单位线及地面净雨过程如表7-14、表7-15所示，求地面径流过程。特定流域3h单位线(见表7-15)与6h单位线有什么不同? 表7-14 地面净雨过程表 时间(h) 0～3 3～6 6～9 净雨量(mm) 5 0 20 表7-15 3h单位线 时段 (Δt=3h) 单位线值(m 3 /s) 时段 (△t=3h) 单位线值(m 3 /s) 0 0 0 6.0...
【简答题】下面是图书表的创建语句和增加了外键之后借书表的创建语句,请完善空缺的地方: /*图书表*/ CREATE table 图书表 (书号 int unsigned, 书名 varchar(20), 作者 varchar(20), 出版社 varchar(20), 价格 float(5,2), 数量 smallint unsigned, CONSTRAINT pk_books PRIMARY KEY (...
【简答题】简述逆向工程技术的应用层面。
【单选题】— To be exact, what should I wear for the interview? — _______
A.
You should wear formal clothes for the interview.
B.
No,you shouldn't wear.
C.
Yes,you should wear.
【单选题】If you (be) with them on the beach, what (wear)?
A.
were/will you wear
B.
are/would you be wearing
C.
were/would you be wear
D.
were/would you be wearing
【单选题】You cannot wear sports clothes for his wedding, because sports clothes are not______.
A.
appropriate
B.
appropriately
C.
appropriation
【单选题】— Why must I wear my school uniform, mom? — Because you are a student. You are _________ to wear your own clothes to school.
A.
allowed
B.
not allowed
C.
allow
D.
not allow
【简答题】(3) ( 76.2) 8 =( ) 10 =( ) 2
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