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【多选题】
在尿素合成分反应中,温度过哪些不利的影响( )。A.
尿素的平衡转化率会随着温度升高而逐渐增大
B.
尿素水解和缩合等副反应加剧
C.
合成系统的压力会相应升高，导致能耗增大
D.
设备腐蚀加剧
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【简答题】WASHINGTON(Reuters)?People who drink two or more sweetened soft drinks a week have a much higher risk of pancreatic cancer (胰腺癌), an unusual but deadly cancer, researchers reported on Monday. People w...
【简答题】判断下列直线的位置关系(填“平行”或“相交”): (1)直线3x+y-4=0与直线x-3y+4=0; (2)直线6x+2y+5=0与直线y=-3x-1; (3)直线2x+1=0与直线2y+3=0; (4)直线2x+y-4=0与直线x+3y-7=0; (5)直线5x-2y+4=0与直线10x-4y+3=0.
【单选题】Drink plenty of fluids is particularly important for elderly people who have a fever.
A.
Y
B.
N
C.
NG
【简答题】阅读理解。 Washington(Reuters)-People who drink two or more sweetened soft drinks a week have a much higher risk of pancreatic cancer(胰腺癌),an unusual but deadly cancer,researchers reported on Monday. Peopl...
【单选题】----Is it all right to come and visit you this coming Friday? ----_____. I'm now in Nanjing and won't be back until next week.
A.
No problem
B.
It depends
C.
Sorry, you can't
【单选题】A: Is it all right to come and vist you this coming Friday? B: ________. I'm now in Nanjing and won't be back until next week.
A.
No problem
B.
It depends
C.
Sorry, you can't
【单选题】People who drink and drive are ________ danger both to themselves and to others. They are in ________ danger of losing their lives.
A.
the; the
B.
a; a
C.
a; /
D.
/; /
【单选题】--- Is there anything special in the newspaper today? --- Yes. People who drink wine ___ to drive after May Day.
A.
don’t allow
B.
isn’t allowed
C.
mustn’t allow
D.
mustn’t be allowed
【单选题】People who dont regularly drink caffeine tend to be more ______ to its negative effects.
A.
sensible
B.
sensational
C.
sentimental
D.
sensitive
【简答题】People who drink a lot ________ those who use drugs are likely to suffer from panic attacks. [A] less than [B] as well [C] other than [D] as well as
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