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【简答题】
根据短文内容及首字母提示,填写所缺单词。 Your local community is the area near your home where you work, play, and go to school. The neighbourhood where your f 1 make coonnections with other people, and the place you  like you belong to. People are very social animals. We need to t__ 2 __and interact (交往) with other human beings. We often understa nd ourselves b 3 when we discuss our opinions. emotions, and activities with other people. Making more connections with friends and family let us put aside our worries and focus (关注) on things that are more i_ 4 ___: The people we care about. Communities grow and c 5 over time. Families move from one city to another because of children have grown up to w__ 6 __ and  moved out to s _  7 families of their own. New families move in when others I 8__ . Basic (基本的) community s _  9 , such as police, fire , post office, health, and public schools, remain steady (稳定的) force in the community, a__ 10 _ some people may retire (退休) or move on. Businesses provide services to the community, too. Stores sell things that people need, restaurants sell prepared food, and offices provide different kinds of skilled work.
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【单选题】酵母菌和乳酸菌都是对人类有益的微生物,乳酸菌是一种厌氧菌,可用来制作酸奶,它与酵母菌的主要区别是(      )
A.
没有细胞结构
B.
没有细胞质
C.
没有细胞膜
D.
没有成形细胞核
【简答题】在野生型酵母菌线粒体内有氧呼吸相关酶作用下,显色剂 TTC与[H]结合使酵母菌呈红色。呼吸缺陷型酵母菌由于缺乏有氧呼吸相关酶,TTC不能使其呈红色。下列叙述错误的是 A.TTC可用来鉴别野生型和呼吸缺陷型酵母菌 B.呼吸缺陷型酵母菌细胞呼吸不产生[H] C.野生型酵母菌有氧呼吸时丙酮酸在线粒体基质中分解 D.有氧条件下野生型和呼吸缺陷型酵母菌细胞呼吸产物不同
【单选题】In my dream I have superppowers, but ____ I am only an ordinary student.
A.
far away
B.
in reality
C.
agree with
D.
turn off
【简答题】I am only interested in _________ in a boat and doing nothing at all!
【简答题】小明为研究酵母菌的作用,设计了如下实验:在4个瓶子中分别加入等量的干酵母(内有活酵母菌),然后按图示进行操作,最后密封A.B.C的瓶口,几天后观察比较现象。试分析回答: (1)小明的上述实验中,实际设计了几组对照实验? ;变量为葡萄糖的一组对照装置是_____。 (2)若想尽快观察到明显的实验现象,应最好将上述各装置放在什么地方(或环境中)? 。 (3)正常情况下,会发现装置 和 (填装置代码)内...
【简答题】酵母菌是我国劳动人民应用较早的一类微生物。酵母菌是 (单细胞或多细胞)微生物。酵母菌和细菌在细胞结构上的最大区别是酵母菌有成形的 ,所以酵母菌比细菌 (高等或低等)。酵母菌在食品制作方面的应用如(举一例) 。
【简答题】完形填空 My name 1 Ted Pike. I am 2 in a big store. I 3 work in the morning. I only work at night. Every morning I come home 4 . I 5 breakfast at seven. After breakfast I 6 . I 7 at about half past two. I...
【单选题】加入酵母菌和面,可使蒸出的馒头松软多孔,原因是(  )
A.
酵母菌分解有机物产生大量的水和无机盐
B.
酵母菌光合作用产生氧气
C.
酵母菌分解有机物产生氧气
D.
酵母菌分解有机物产生二氧化碳
【多选题】酵母菌的作用和 ( ) 有关
A.
产酒精
B.
产葡萄糖
C.
产淀粉酶
D.
产果糖
【单选题】酵母菌和乳酸菌都是对人类有益的微生物,乳酸菌是一种厌氧细菌,可用来制作酸奶,它与酵母菌的主要区别是(  )
A.
没有细胞结构
B.
没有细胞质
C.
没有细胞膜
D.
没有成形细胞核
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