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【简答题】
（13分）已知： （1）2ROH R—O—R + H 2 O (R为烃基，R-O-R为醚) （2）RCH=CH 2 +HOCl→RCH（OH）—CH 2 Cl 或 RCH=CH 2 +HOCl→RCHCl—CH 2 OH 试根据下列回答下列问题 (1)（4分）写出结构A ________________，C ________________。 (2)（4分）从结构上分析，与A互为同分异构体的可能结构有： __________ ______。 (3)（2分）上述反应中属于取代反应的是________________________________(填反应序号) (4)（3分）写出方程式：D+E → F__________________________________________________
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【单选题】You can noly learn if you (look after)(pay attention).
A.
look after
B.
pay attention
C.
\
D.
/
查看完整题目与答案
【单选题】In _________state, we can change the data of machine tool system and execute a instruction operation.
A.
auto
B.
jog
C.
MDI
D.
handle
查看完整题目与答案
【单选题】Can you help me_ my car ?
A.
look like
B.
look at
C.
look after
查看完整题目与答案
【单选题】What operations does the ALU unit perform,when the instruction set MIPS microprocessor performs data transfer instructions
A.
addition
B.
subtraction
C.
and
D.
or
查看完整题目与答案
【单选题】________you know how to manage your time,you can try to work and look after the children well meanwhile. [     ]
A.
If only
B.
Even though
C.
As soon as
D.
Now that
查看完整题目与答案
【单选题】Array A is a int type array with 100 data. The starting address of the array is stored in register $ s2, and the values of variables g and h are stored in register $ s0. And $ s1, which is the MIPS m...
A.
lw $ t0,32($s2) add $s0, $s1, $t0
B.
lw $ t0,8 ($ s2) add $ s0, $ s1, $ t0
C.
lw $ t0,32 ($ s2) add $ s1, $ s0, $ t0
D.
lw $ t0,8 ($ s2) add $ s1, $ s0, $ t0
查看完整题目与答案
【简答题】Known registers $ s0 = 0x1001 0000, $ t0 = 0x12345678, $ t1 = 0x23456789, try to explain the first address of the storage space for each instruction operation in the table below and the value of each ...
查看完整题目与答案
【单选题】Can you look after my children for a while? I don't want to leave them _______.
A.
lonely
B.
away
C.
alone
D.
along
查看完整题目与答案
【简答题】把下列句子翻译成汉语,尤其注意句中专业术语的准确词义。 1 、 The sampling theorem shows that all values of a signal can be determined by sampling the signal at a rate equal to at least twice the bandwidth. 2 、 Most DSPs are based...
查看完整题目与答案
【单选题】____Lily ___Lucy can go with you , because one of them has to stay here to look after their mother
A.
Either ; or
B.
Neither ; nor
C.
Both ; and
D.
Not only ; but also
查看完整题目与答案
相关题目：
【单选题】You can noly learn if you (look after)(pay attention).
A.
look after
B.
pay attention
C.
\
D.
/
查看完整题目与答案
【单选题】In _________state, we can change the data of machine tool system and execute a instruction operation.
A.
auto
B.
jog
C.
MDI
D.
handle
查看完整题目与答案
【单选题】Can you help me_ my car ?
A.
look like
B.
look at
C.
look after
查看完整题目与答案
【单选题】What operations does the ALU unit perform,when the instruction set MIPS microprocessor performs data transfer instructions
A.
addition
B.
subtraction
C.
and
D.
or
查看完整题目与答案
【单选题】________you know how to manage your time,you can try to work and look after the children well meanwhile. [     ]
A.
If only
B.
Even though
C.
As soon as
D.
Now that
查看完整题目与答案
【单选题】Array A is a int type array with 100 data. The starting address of the array is stored in register $ s2, and the values of variables g and h are stored in register $ s0. And $ s1, which is the MIPS m...
A.
lw $ t0,32($s2) add $s0, $s1, $t0
B.
lw $ t0,8 ($ s2) add $ s0, $ s1, $ t0
C.
lw $ t0,32 ($ s2) add $ s1, $ s0, $ t0
D.
lw $ t0,8 ($ s2) add $ s1, $ s0, $ t0
查看完整题目与答案
【简答题】Known registers $ s0 = 0x1001 0000, $ t0 = 0x12345678, $ t1 = 0x23456789, try to explain the first address of the storage space for each instruction operation in the table below and the value of each ...
查看完整题目与答案
【单选题】Can you look after my children for a while? I don't want to leave them _______.
A.
lonely
B.
away
C.
alone
D.
along
查看完整题目与答案
【简答题】把下列句子翻译成汉语,尤其注意句中专业术语的准确词义。 1 、 The sampling theorem shows that all values of a signal can be determined by sampling the signal at a rate equal to at least twice the bandwidth. 2 、 Most DSPs are based...
查看完整题目与答案
【单选题】____Lily ___Lucy can go with you , because one of them has to stay here to look after their mother
A.
Either ; or
B.
Neither ; nor
C.
Both ; and
D.
Not only ; but also
查看完整题目与答案
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