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【简答题】
在我国引起肉毒毒素中毒最多见的食品是 A. 肉制品 D. 豆制品 C. 罐头食品 D. 自制发酵食品 E. 鱼制品
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皮皮学刷刷变学霸
举一反三
【单选题】The striking difference between ourselves and our ancestors is that ______.
A.
our ancestors were lazy while we are active
B.
we can put creative ideas to work much more quickly than our ancestors
C.
we are more eager to apply new ideas than our ancestors
D.
we live much longer than our ancestors
【简答题】Anthropologists agree that our primitive ancestors who inhabited the tropics probably have natural protection against the sun.
【单选题】Why don't we need as many teeth as our ancestors?
A.
Because we have to deal with much food
B.
Because we eat much softer food.
C.
Because we eat tough gritty food.
D.
Because our ancestors ate much softer food.
【单选题】Present human being respond to chronic stress in the same way as our ancestors did, why do we get fat while our ancestors didn’t?
A.
Because our ancestors didn’t have relationship troubles.
B.
Because our ancestors didn’t have Route 66.
C.
Because our ancestors didn’t have so much food at disposal.
D.
Because our ancestors didn’t have a large food storage unit.
【单选题】Our taste for fat and sugar appears to have______ from our ancestors.
A.
carried
B.
stemmed
C.
succeeded
D.
rooted
【单选题】In an hour, we can travel to placeswould have taken our ancestors days to reach.[ ]A．whereB．whenC．wh
A.
In an hour, we can travel to places would have taken our ancestors days to____reach. [ ] A．where
B.
when
C.
which
D.
what
【单选题】．No one knows exactly when our ancestors started talking，but new evidence suggests _______might have happened a long time ago．
A.
which
B.
what
C.
it
D.
they
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