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【简答题】
程序计数器 PC 是一个 __________位 寄存器,其内容为 _________ ,寻址范围为 ____________ 。
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反馈参考答案：
举一反三
【单选题】汽车从2m/s开始向东加速,经过4s,速度变为10m/s,则汽车的加速度是
A.
5m/s2 向东
B.
4m/s2 向东
C.
6m/s2 向西
D.
5m/s2 向西
【单选题】Why couldn’t the teacher come out of the room?
A.
Helen locked her in the room and took the key with herself.
B.
The teacher couldn’t unlock the door with the key.
【单选题】Why couldn't Britain compete with some of its neighbouring countries in terms of food in the post-war decades?
A.
Its food lacked variety.
B.
Its people cared more for quantity.
C.
It was short of well-trained chefs.
D.
It didn't have flavourful food ingredients.
【简答题】I didn't understand at first why he couldn't pass the test, no matter ________ hard he had tried. A) when B) where C) what D) how
【单选题】双叶子植物木质茎的维管形成层是如何形成的?
A.
原形成层保留细胞形成的
B.
原形成层保留细胞和中柱鞘的部分细胞脱分化共同形成
C.
束中形成层发展形成
D.
束中形成层和束间形成层共同形成
【单选题】Why couldn't the group cross the river? (chapter 26)
A.
There was a monster.
B.
There was no bridge.
C.
They couldn't swim.
【简答题】词汇运用。 1. We are often told not to be (紧张) in the examinations. 2. 1 couldn't understand why he was so (interest) in the invitation. 3. A cow has six (胃). 4. — Why are you in such a (匆忙)? — Because I a...
【单选题】_____she couldn't understand was why fewer and fewer went to him for help.
A.
That
B.
What
C.
When
【单选题】小王是位热心于公众事业的人,自2008年12月底开始,他每年都要向一位失学儿童每年捐款1000元,帮助这位失学儿童从小学一年级读完九年义务教育。假设每年定期存款利率都是2%,计算小王9年的捐款在2016年年底相当于多少钱?
A.
9950
B.
9754.6
C.
9583
D.
8162.2
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