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【判断题】
直列 四 缸四冲程发动机,不管其作功顺序为 1-3- 4 -2,还为1- 2 - 4 - 3 ,当一缸处于作功上止点时,其 四 缸肯定处于进气冲程上止点。
A.
正确
B.
错误
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举一反三
【单选题】When asked _______ they needed most, the kids said they wanted to feel important and loved. [     ]
A.
what
B.
why
C.
whom
D.
which
【单选题】(2 3 - 3 ) 0 =(  )
A.
0
B.
1
C.
3
D.
2
【简答题】因为23×0=0,所以23÷0=0.______.
【简答题】计算: (- 2 3 ) 0 +( 1 3 ) -1 ÷ 3 -|- 3 | .
【单选题】On seeing ______gift they wanted ,the kids screamed with ______delight.
A.
/; a
B.
a; the
C.
the; /
D.
the; a
【单选题】The naughty boy had wanted to play football with the kids in the street, but his parents warned him ____.
A.
not to
B.
not to do
C.
to do
D.
of doing
【简答题】计算: ( 1 4 ) -2 ×(-5) 0 ×(-3 -1 )÷2 3 ×2 3 =______.
【单选题】when asked they needed most,the kids investigated at school said that they wanted to feel important and loved.
A.
what
B.
that
C.
whom
D.
which
【单选题】有以下程序
A.
1,2,3,0,0,0,0,0,0,0,
B.
1,2,3,1,2,3,0,0,0,0,
C.
123,0,0,0,0,l23,0,0,0,0,
D.
1,2,3,0,0,1,2,3,0,0,
【单选题】假设可以是对过去的一种解释,也可以是对未来的一种判断,所有假设都必须经得住检验。最为稳健的假设通常是
A.
反驳证据最少的假设
B.
没有反驳证据的假设
C.
支持证据最多的假设
D.
全为支持证据的假设
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