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【单选题】
根据两个一位二进制的加法运算规则,其和为1的正确表述为()。
A.
这两个二进制数1
B.
这两个二进制数0
C.
这两个二进制数不相等
D.
这两个二进制数相等
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参考答案:
举一反三
【简答题】Buying ____________(大量地) is more economical than shopping for small quantities.
【判断题】在拥挤的人群中,如果带着孩子,要尽快把孩子抱起来,防止孩子受到伤害。()
A.
正确
B.
错误
【单选题】展示盘的英语是( )。
A.
platter
B.
plate
C.
show plate
D.
tray
【多选题】Direction: Fill in the blank s with proper phrase s marked A to O. Write the capital letters only.
A.
was thrust on;
B.
un appreciative of;
C.
with the external
D.
proficiency in English;
E.
with a jerk;
F.
are complementary to
G.
fl u ng from
H.
a lobby against;
I.
was stung by
J.
with large sale; K. absorbed in L. allergic to M. in bulk; N. wouldn ’ t consent to; O. E xposure to ; 1. Buying ____________ is more economical than shopping for small quantities. 2. She never enjoyed the fame that ________________ her. 3. Evidence of basic ________________ is part of the admission requirements. 4. ____________ a second language should take place in elementary school. 5. The old bus started ___________ , so the passengers shook all of a sudden. 6. My parents used to entertain friends ____________ parties. 7. Many groups have together mounted ____________ cuts in hospitals. 8. My aunt never married because her father ____________ her marriage to the person with whom she had fallen in love. 9. Miss Stonehouse told how she saw her baby son __________ his infant car seat when her car was in a collision with another car. 10. Your boss is simply __________ your ideas because he thinks of them as impracticable and based on wrong judgment.
【简答题】单词拓展 (1)_____ vi. ( 指火山 ) 爆发 ; 突然发生→ ________ n . 火山爆发 ; ( 战争等 ) 爆发 (2)__________ n . 设备 ; 装备→ _____ vt. 装备 , 配备 (3)_______ vt. 任命 ; 委派→ ___________ n . 任命 ; 约定 (4)________ adj. 绝对的 ; 完全的→ _________ a...
【单选题】In general, _____ is suitable for delivering small quantities at high pressure.
A.
reciprocating pump
B.
gear pump
C.
centrifugal pump
D.
vane pump
【单选题】硬钎剂主要指的是在( )以上进行钎焊时所使用的钎剂。
A.
300℃
B.
450℃
C.
500℃
D.
550℃
【简答题】adv.任然,然而
【单选题】楚完全融入到中国是在()。
A.
战国
B.
秦朝
C.
西汉
D.
东汉
【多选题】( ) is a situation in which a firm charges a different price for large purchases than for small quantities, so that the price paid varies according to the quantity purchased.
A.
Perfect price discrimination
B.
Nonlinear price discrimination
C.
Group price discrimination
D.
Second-degree price discrimination
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