皮皮学,免费搜题
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搜题
【单选题】
油管工具连接扣紧,在平台上卸扣时,正确的使用管钳方法是( )
A.
双手握紧
B.
单手握紧
C.
双手半握
D.
只能用脚踩
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【判断题】MCS51单片机片外RAM扩展总线是16根地址线,因此可推断出片外RAM空间为32KB。
A.
正确
B.
错误
【单选题】There is a bus station _____ my way _____. [     ]
A.
on; to home
B.
on; home
C.
at; home
D.
at; to home
【单选题】How did Skip feel on his way home?
A.
He felt lucky to be still alive 'after having saved the life of Esther.
B.
He missed his wife and children, whom he had left behind in the morning.
C.
He felt very thankful to Daniel, without whom he would not have made it.
D.
He wondered how he and Daniel could be in the right place at the right time.
【判断题】MCS51单片机片外RAM扩展总线是16根地址线,因此可推断出,片外RAM空间为64kB。
A.
正确
B.
错误
【判断题】MCS51单片机片外RAM扩展总线是16根地址线,因此可推断出,片外RAM空间为32kB。
A.
正确
B.
错误
【单选题】缺铁性贫血患儿出现非造血系统表现的主要原因是
A.
血红蛋白合成减少
B.
肌红蛋白合成减少
C.
红细胞合成减少
D.
红细胞携氧减少
E.
含铁酶活性降低
【判断题】MCS51 单片机片外 RAM 扩展总线是 16 根地址线,因此可推断出,片外 RAM 空间为 32kB 。
A.
正确
B.
错误
【单选题】七步洗手法认真揉搓至少( )秒
A.
5秒
B.
10秒
C.
15秒
D.
20秒
【单选题】On their way to work, at work, and on the way home, residents of big cities must cope with a continuing barrage of noises.
A.
Vague
B.
Weak
C.
Good
D.
Acceptable
【单选题】He dropped his pen on ________ yesterday. [     ]
A.
my way to school
B.
your way home
C.
his way home
D.
him way home
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