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【单选题】
在SQL的数据定义功能中，下列命令格式可以用来修改表中字段名的是A.
CREATE TABLE数据表名NAME．．．
B.
ALTER TABLE数据表名ALTER字段名．．．
C.
ALTER TABLE数据表名RENAME COLUMN字段名TO．．．
D.
ALTER TABLE数据表名ALTER字段名SET DEFAULT．．．
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【单选题】令患儿仰卧位,伸展两下肢时,当刺激一侧足底,该侧迅速发生髋膝屈曲、踝关节背屈或足趾展开,为
A.
伸肌收缩反射
B.
阳性非对称性紧张性颈反射
C.
屈肌收缩反射阳性反应
D.
心理作用
E.
联合反应
【单选题】In what way is the village shoemaker a 'formidable figure'?
A.
He seems to pay little attention to public opinion.
B.
He refuses to mend cheap, mass-produced shoes.
C.
He has a very rough temper.
D.
He has very high standards of workmanship.
【单选题】In what way is the village shoemaker a “formidable figure”?
A.
He seems to pay little attention to public opinion.
B.
He refuses to mend cheap, mass-produced shoes.
C.
He is bad-tempered as well as an excellent craftsman.
D.
He has very high standards of workmanship.
【单选题】令患儿仰卧位,伸展两下肢时,当刺激一侧足底,该侧迅速发生髋膝屈曲、踝关节背屈或足趾展开,为
A.
伸肌收缩反射阳性
B.
非对称性紧张性颈反射阳性
C.
屈肌收缩反射阳性
D.
心理作用
E.
联合反应阳性
【单选题】Much of the pollution could be controlled if only______.
A.
people would pay more attention to the problem
B.
governments would take effective measures
C.
all sides concerned would make more efforts
D.
farmers would use less artificial fertilizers
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