【名词&注释】
马铃薯(potato)、禾本科(gramineae)、完形填空(cloze test)、答题卡(answer sheet)、百合科(liliaceae)、母细胞(mother cell)
[单选题]一个胚囊母细胞(mother cell)只能产生1个胚囊。( )
A. 正确
B. 错误
查看答案&解析
举一反三：
[单选题]下列各组句子中，加点词的意义和用法相同的一组是
A. 其唯《易》乎 天之苍苍，其正色邪
B. 拂衣而出 倚歇而和质
C. 遂得免焉 风雨兴焉
D. 复还于蜀 且贰于楚也
[单选题]具有三棱形茎的是( )。
A. 禾本科
B. 莎草科
C. 百合科(liliaceae)
D. 豆科
[单选题]第二节完形填空(共20小题；每小题l.5分，共30分)阅读下面短文，掌握其大意，从每题所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。
A. I met Mrs. Neidl in the ninth grade on a stage-design team for a play and she was one of the directors. Almost instantly I loved her. She had an Unpleasant voice and a direct way of speaking, 36 she was encouraging and inspiring. For some reason, she was impressed with my work and me.
B. Mrs. Neidl would ask me for my 37 . She wanted to know how I thought we should 38 things. At first I had no idea how to answer because I knew 39 about stage design! But I slowly began to respond to her 40 . It was cause and effect: She believed I had opinions, so I began to 41 them. She trusted me to complete things, so I completed them perfectly. She loved how 42 I was, so I began to show up to paint more and more. She believed in me, so I began to believe in myself.
C. Mrs. Neidl's 43 that year was, "Try it. We can always paint over it 44 !"I began to take 45 . I had been so afraid of failing but suddenly there was no failing--only things to be 46 upon. I learned to dip my brush into the paint and 47 create something.
D. The shy, quiet freshman achieved success that year. I was 48 in the program
E. as "Student Art Assistant" because of the time and effort I'd put in. It was that year that I 49 I wanted to spend the rest of my life doing stage design.
F. Being on that stage-design team 50 Mrs. Neidl changed me completely. Not only was I stronger and more competent than I had thought, but I also 51 a strong interest and a world I hadn't known existed. She taught me not to 52 what people think I should do: She taught me to take chances and not be 53 . Mrs. Neidl was my comforter when I was upset. Her 54 in me has inspired me to do things that I never imagined 55 .
G. 36______
H. and
I. yet
J. so
K. for
[单选题]马铃薯属块茎，甘薯属块根。( )
A. 正确
B. 错误
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