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【判断题】
( )由于行星齿轮机构有两个自由度,故没有固定的传动比,不能直接用于变速传动。A.
正确
B.
错误
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举一反三
【单选题】多糖为带有10个以上糖单位的聚合物，找出下列的多糖( )
A.
葡萄糖、果糖、半乳糖
B.
蔗糖、乳糖、麦芽糖
C.
木糖醇、麦芽糖醇)
D.
大豆低聚糖、低聚果糖等
E.
纤维素、半纤维素、果胶和亲水胶质物
【简答题】一、判断下列句子是简单句、并列句还是复合句: 1. We often study Chinese history on Friday afternoon. 2. The boy who offered me his seat is called Tom. 3. There is a chair in this room, isn't there? 4. My brother and I go to...
【单选题】语法作业1强调句 2.It was__ he said__ disappointed me.
A.
that;what
B.
what;that
C.
what;what
D.
that;that
【单选题】女婴，10个月。单纯母乳喂养，面色渐苍白2月，烦躁，食欲不佳，不愿活动，肝肋下2cm，脾肋下可触及边缘，血红蛋白70g/L，红细胞3.6×10 12/L，MCV70fl，MCH23pg，MCHC29%，最可能的诊断是
A.
地中海性贫血
B.
再生障碍性贫血
C.
营养性缺铁性贫血
D.
铁粒幼红细胞性贫血
E.
营养性巨幼红细胞性贫血
【简答题】Fill in the blanks with the correct words.(20 points, 2 points for each) The final bell at school finally rang. I saw Jonathan 1 down the halls like he was in a hurry to get somewhere. It was three fo...
【单选题】It was what he meant rather than what he said _____ annoyed me. A. which B. a C. what D. that
A.
1
B.
2
C.
3
D.
4
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