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【单选题】
大黄含有哪种草酸钙结晶A.
B.
针晶
C.
簇晶
D.
柱晶
E.
砂晶
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举一反三
【简答题】阅读理解 We've all heard the old saying,'Sticks and stones can break my bones,but words can never hurt me.' Don't you believe it?Words are powerful,and they can hurt-a lot. In fact,if you're not careful,y...
【简答题】阅读短文，根据短文内容回答问题。（共10分，每小题2分） We’ve all heard of merm. They are the beautiful half-human, half-fish creatures(生物). They have the head and body of a human and the tail of a fish. We also know that m...
【单选题】This is a ____ story . When we heard this, we are all _____.
A.
surprising; surprising
B.
surprised; surprising
C.
surprising; surprised
D.
surprised; surprised
【简答题】汞洒落后,应立即撒上 ,并打开墙下部的排气扇。
【简答题】We've all heard the old saying，“Sticks and stones can break my bones，but words can never hurt me.” Don't you believe it？Words are powerful，and they can hurt—a lot. In fact，if you're not careful，you ca...
【单选题】蒸气锅炉的规格用锅炉的（ ）及蒸气参数表示，热水锅炉的规格用锅炉的（ ）及热水参数表示。
A.
供热量、蒸发量
B.
蒸发量、供热量
C.
容量、供热量
D.
蒸发量、容量
【单选题】We were all __________when we heard the news.
A.
surprising
B.
amazing
C.
surprised
D.
interesting
【单选题】We've just heard a warning on the radio that a hurricane is ____ to come this evening. [ ]
A.
likely
B.
possible
C.
probable
D.
believable
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