皮皮学,免费搜题
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【单选题】
51单片机外fosc=12mhz,定时器t1以方式2工作计时50us,则计数初值为 ?。
A.
206
B.
256
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举一反三
【单选题】下列哪项字符序列可以作为标识符
A.
true
B.
default
C.
_int
D.
good-class
【单选题】Adrian's hard work _______. He graduated with good grades and got into a top high school. He also achieved a lot in life outside school. [     ]
A.
paid off
B.
paid back
C.
paid for
D.
paid out
【单选题】下列哪项字符可以作为标识符?
A.
true
B.
default
C.
_int
D.
good-class
【判断题】good-class可以作为标识符。
A.
正确
B.
错误
【单选题】Tom wrote __good composition that he was praised by all the teachers in the school.
A.
so a
B.
such a
C.
a so
D.
a such
【判断题】轴网的建立是新建正交轴网吗
A.
正确
B.
错误
【单选题】下列哪些字符串可以作为标识符?
A.
true
B.
default
C.
_int
D.
good-class
【单选题】病人,男性,52岁.因肠梗阻入院后行肠切除术,术后护士嘱病人取半坐卧位的目的是
A.
减少静脉回心血量,减轻心脏负担
B.
改善局部血液循环
C.
增加肺活量,改善呼吸因难
D.
减轻腹部缝合处张力
E.
减少局部出血
【单选题】A good speaker is supposed to manage to ________ the listeners what he means.
A.
make sense to
B.
get across to
C.
appeal to
D.
attach to
【单选题】病人,男性,52岁。因肠梗阻入院后行肠切除术,术后护士嘱病人取半卧位的目的是
A.
减少静脉回心血量,减轻心脏负担
B.
改善局部血液循环
C.
增加肺活量,改善呼吸困难
D.
减轻腹部缝合处张力
E.
减少局部出血
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