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【单选题】
梅毒的病原体是A.
奈瑟菌
B.
螺旋体
C.
支原体
D.
人乳头状瘤病毒
E.
衣原体
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举一反三
【单选题】.—Did you feel ______when you saw the old man moving the big stone? --Although he was over 70,_______ he was strong enough to move the heavy stone.
A.
surprised, /
B.
surprised, but
C.
surprising, but
D.
surprising, /
【简答题】供应商直接将商品放在车上,逐家去送货,缺多少补多少。这种补货方式为______。
【简答题】Did you see snow in your hometown last winter? Did you feel it was warmer than before? 'There have been 21 warm winters in China since 1986,' said scientists. They also said that in the past 100 years...
【单选题】Did you feel your should __ by his hand?
A.
touch
B.
touched
C.
to touch
D.
to be touched
【简答题】下列物质可以作为W/O型的乳化剂的是()A.硬脂酸钠B.三乙醇胺皂C.硬脂酸钙D.十二烷基硫酸钠A. 1 B. 1 C. 1 D. 1
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