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【单选题】
下列关于指令系统的描述,正确的是( )A.
指令的地址码部分可能是操作数,也可能是操作数的内存单元地址
B.
指令的地址码是不可缺少的
C.
指令的操作码部分描述了完成指令所需要的操作数类型
D.
指令由操作码和控制码两部分组成
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举一反三
【单选题】My mobile phone has broken. I must _______.
A.
get down to repair it
B.
have it repair
C.
get down to repairing it
D.
have it to be repaired
【单选题】测定煤的灰分时,需称一定量的空气干燥煤样,放人马弗炉或快速灰分测定仪中,以一定的速度加热到( )°C,灰化并灼烧到质量恒定,以残留物的质量占煤样质量的百分数作为灰分产率。
A.
815±20
B.
800±20
C.
800±10
D.
815±10
【单选题】测定煤的灰分时，需称一定量的空气干燥煤样，放人马弗炉或快速灰分测定仪中，以一定的速度加热到()℃，灰化并灼烧到质量恒定，以残留物的质量占煤样质量的百分数作为灰分产率。
A.
815±20
B.
800±20
C.
800±10
D.
815±10
【单选题】My bike needs _____. I think I need _____ to ask Uncle Wang for help. [ ]
A.
repairing; going
B.
repairing; to go
C.
to repair; going
D.
to repair; to go
【单选题】Something is wrong with my TV set. I would like to get it _____. [ ]
A.
to repair
B.
repaired
C.
repairing
D.
repair
【简答题】IELTS 8 Test 2 Section 1 精听2 • I need to take down a few (1) ____of the actual (2) ____over the phone before you put in a full (3) ____. Can you tell me how many (4) ____were damaged and what the dama...
【单选题】There seems something wrong with my bike.I would like to get it________. [ ]
A.
repair
B.
to repair
C.
repairing
D.
repaired
【单选题】I have to go to work by taxi because my car _____ at the garage. [ ]
A.
will be repaired
B.
is repaired
C.
is being repaired
D.
has been repaired
【单选题】— What's that noise? — Oh, I forgot to tell you. Your bike _____. [ ]
A.
was repaired
B.
will be repaired
C.
is being repaired
D.
has been repaired
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