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【简答题】
取 样品2.00g,配置成250mL溶液,吸取25.00mL溶液用0.0946mol NaOH标准溶液滴定至甲基红变色,耗去NaOH溶液21.30mL.分别计算以 和 表示的P含量
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皮皮学刷刷变学霸
举一反三
【单选题】From paragraphs 23 and 24, we can conclude that the author feels
A.
we are unlikely to analyze advertising logically unless we recognize it as propaganda.
B.
propaganda should not be allowed.
C.
if we don’t want to hand over to others our independence, we should ignore all propaganda.
D.
we should not support the “products, viewpoints, and candidates urged on us by propaganda messages.”
【简答题】saf ss f
【单选题】Nobody wants to be【21】. Unfortunately our bodies can【22】problems. When we aren't【23】, our bodies tell us. Sometimes a part of our bodies hurts. When a part of our bodies【24】, we say we have aches and ...
A.
sleep
B.
bad
C.
cold
D.
sick
【单选题】Can we forge against these enemies a grand and global alliance , North and South, East and West, that can assure a more fruitful life for all mankind?
A.
disintegration
B.
transaction
C.
association
D.
domination
【单选题】From paragraphs23 and 24, we can conclude that the author feels
A.
we are unlikely to analyze...
B.
propoganda should not be allowed.
C.
if we don't want to hand over...
D.
we should not support...
【单选题】From the passage， we can learn that 'Magic Sunflower Club' is a _______in Eng－lishA
A.
23． From the passage， we can learn that 'Magic Sunflower Club' is a _______in Eng-lish A． book
B.
city
C.
story
D.
club
【单选题】From the passage，we can know it is ________for plants to grow in dry places．A． easy
A.
23． From the passage，we can know it is ________for plants to grow in dry places． A． easy
B.
difficult
C.
impossible
D.
important
【单选题】It can be inferred from the passage that hand-made products are ______.
A.
easier to forge than high-tech products
B.
more difficult to forge than high-tech products
C.
less profitable to forge than high-tech products
D.
more profitable to forge than high-tech products
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