发酵现象是由______引起的．酿制酒酿、水果放久了会有酒味是由___爱下问搜题

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问题填空题

发酵现象是由______引起的．酿制酒酿、水果放久了会有酒味是由______发酵的结果；制作酸奶--______；果酒暴露在空气中变酸了--______．

答案

发酵现象是由微生物引起的，微生物的发酵在食品的制作中具有重要的意义，如制馒头、做面包、酿酒等要用到酵母菌，制酸奶和泡菜要用到乳酸菌，制醋要用到醋酸杆菌，果酒暴露在空气中变酸了是因为空气中的乳酸菌进入发酵产生了乳酸．

故答案为：微生物；酵母菌；乳酸菌；醋酸菌

多项选择题

预防及早期发现子宫内膜癌的措施有（）

A.恰当掌握使用雌激素的指征

B.普及防癌知识，定期防癌检查

C.绝经过渡期妇女月经紊乱或不规则 * * 流血患者应先除外内膜癌

D.绝经后妇女出现 * * 流血应警惕内膜癌可能

E.注意高危因素，重视高危患者

完形填空

Adventure is in my blood. And I had been considering how I was going to celebrate my high school graduation. I didn’t just want a small    in the backyard. I started thinking about doing a solo    somewhere out of the ordinary. I took out    and drew the 1,500-mile route along which I would be    from the northernmost point in Norway to the southernmost section of Sweden. When I    my plans with my dad, he    as I thought he would. Because I get my adventurous    from him, he was all for it.
I had only been away from my    three days now, but there was an inner    going on inside of me. Part of me was homesick and doubting whether I    could make it. The other part of me was ready to      to myself and my family that I could do it by myself.
On the road, I met another      who was quite a bit older than I was. He had started his journey     by bike at the southern part of Norway and had just finished. I could tell he had a great sense of      . It encouraged me not to      .
As I listened to my      artists on my MP4 player, I pedaled (踩踏板) with my feet. There was      around me for miles.      , that wasn’t entirely true. There were mosquitoes--- millions of them. My arms were so dotted with      that they looked like a topographical map (地形图). But, however      it would be, nothing could stop my advance towards the destination. As you know, adventure is in my blood.

C．conversation

D．performance

A．instructions

C．satisfaction

C．professional

D．Fortunately