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【简答题】
设机器字长为8，对于二进制编码10101100，如果它是某整数x的补码表示，则x 的（ ），若它是某无符号整数y 的机器码，则 y 的（ ）。 A.84 B.-84 C.172 D.-172 A.52 B.84 C.172 D.204
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参考答案：
举一反三
【判断题】四川东部的少数民族民俗和西部农耕民俗的是两种不同的民俗风情。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】关于受体的叙述,下列哪一项是错误的
A.
胆碱能受体包括M型和N型
B.
肾上腺素能受体包括α型和β型
C.
N型受体与乙酰胆碱结合后使骨骼肌收缩
D.
M型受体与乙酰胆碱结合后使心脏活动增强
E.
α型受体与去甲肾上腺素结合后使血管平滑肌收缩
查看完整题目与答案
【单选题】Make sure you’ve got the passports and tickets and _________ before you leave.
A.
something
B.
anything
C.
everything
D.
nothing
查看完整题目与答案
【单选题】'You've got already well, haven't you?' she asked. →She asked _____.    . [     ]
A.
if I have already got well, hadn't you
B.
whether I had got well
C.
have I already got well
D.
had I already got well
查看完整题目与答案
【单选题】听力原文：W: What keeps you so busy? You've been sitting there for hours. You've got to walk around. Let's take a coffee break. M: Well, I wish I could, but I'm up to my neck in work. I've got to finish th...
A.
He will take a coffee break.
B.
He will keep on working.
C.
He will go for a walk.
D.
He will begin with the report.
查看完整题目与答案
【单选题】The international systems on measures and weights do NOT include ( ) .
A.
the Metric system
B.
the German system
C.
the British system
D.
the U.S. system
查看完整题目与答案
【单选题】关于受体的叙述，下列哪一项是错误的？（）
A.
胆碱能受体包括M型和N型
B.
肾上腺素能受体包括α型和β型
C.
N型受体与乙酰胆碱结合后使骨骼肌收缩
D.
M型受体与乙酰胆碱结合后使心脏活动增强
查看完整题目与答案
【单选题】Which of the following is not prefixes indicating measures and weights ?
A.
centi
B.
kilo
C.
mini
D.
multi
查看完整题目与答案
【单选题】关于M型受体的叙述，下列哪一项是错误的 ( )
A.
属于胆碱能受体
B.
能与毒蕈碱发生特异性结合
C.
存在于副交感神经节后纤维的效应器细胞膜上
D.
存在于神经肌肉接头的终板膜上
E.
其阻断剂为阿托品
查看完整题目与答案
【单选题】Hence obstacles are created ____ countries use different formats for weights, measures, dates, telephone numbers, addresses, and other common information.
A.
if
B.
unless
C.
because
D.
even if
查看完整题目与答案
相关题目：
【判断题】四川东部的少数民族民俗和西部农耕民俗的是两种不同的民俗风情。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】关于受体的叙述,下列哪一项是错误的
A.
胆碱能受体包括M型和N型
B.
肾上腺素能受体包括α型和β型
C.
N型受体与乙酰胆碱结合后使骨骼肌收缩
D.
M型受体与乙酰胆碱结合后使心脏活动增强
E.
α型受体与去甲肾上腺素结合后使血管平滑肌收缩
查看完整题目与答案
【单选题】Make sure you’ve got the passports and tickets and _________ before you leave.
A.
something
B.
anything
C.
everything
D.
nothing
查看完整题目与答案
【单选题】'You've got already well, haven't you?' she asked. →She asked _____.    . [     ]
A.
if I have already got well, hadn't you
B.
whether I had got well
C.
have I already got well
D.
had I already got well
查看完整题目与答案
【单选题】听力原文：W: What keeps you so busy? You've been sitting there for hours. You've got to walk around. Let's take a coffee break. M: Well, I wish I could, but I'm up to my neck in work. I've got to finish th...
A.
He will take a coffee break.
B.
He will keep on working.
C.
He will go for a walk.
D.
He will begin with the report.
查看完整题目与答案
【单选题】The international systems on measures and weights do NOT include ( ) .
A.
the Metric system
B.
the German system
C.
the British system
D.
the U.S. system
查看完整题目与答案
【单选题】关于受体的叙述，下列哪一项是错误的？（）
A.
胆碱能受体包括M型和N型
B.
肾上腺素能受体包括α型和β型
C.
N型受体与乙酰胆碱结合后使骨骼肌收缩
D.
M型受体与乙酰胆碱结合后使心脏活动增强
查看完整题目与答案
【单选题】Which of the following is not prefixes indicating measures and weights ?
A.
centi
B.
kilo
C.
mini
D.
multi
查看完整题目与答案
【单选题】关于M型受体的叙述，下列哪一项是错误的 ( )
A.
属于胆碱能受体
B.
能与毒蕈碱发生特异性结合
C.
存在于副交感神经节后纤维的效应器细胞膜上
D.
存在于神经肌肉接头的终板膜上
E.
其阻断剂为阿托品
查看完整题目与答案
【单选题】Hence obstacles are created ____ countries use different formats for weights, measures, dates, telephone numbers, addresses, and other common information.
A.
if
B.
unless
C.
because
D.
even if
查看完整题目与答案
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