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【多选题】
以下有关核糖体的论述哪些是正确的?(    )
A.
核糖体是蛋白质合成的场所
B.
核糖体小亚基参与翻译起始复合物的形成,确定mRNA的解读框架
C.
核糖体大亚基含有肽酰(基)转移酶活性
D.
核糖体的主要功能是储藏核糖核酸
E.
核糖体是由数种rRNA和多种蛋白质共同组成的一种亚细胞结构
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参考答案:
举一反三
【单选题】下列属于特异性免疫的是(  )
A.
皮肤的屏障作用、唾液中溶菌酶的杀菌作用
B.
唾液中溶菌酶的杀菌作用、血液中白细胞的吞噬作用
C.
接种卡介苗预防结核病、患过天花的人不会再患天花
D.
血液中白细胞的吞噬作用、接种流感疫苗预防流感
【单选题】As the saying goes, "Where there is a will, there is a way. " People who want to make things better can do so if only they are strongly________.
A.
tremendous
B.
striking
C.
contemporary
D.
motivated
【简答题】"savory" is a better know word for _______________.
【简答题】一质点沿 x 轴运动其速度与时间的关系为v = 4 + (SI) , 当 t = 3 s 时, x = 9 m ,则质点的运动学方程为 ______________________.
【单选题】The negative thought "I'm not a great public speaker." should not be transformed into the positive thought like "No one is perfect, but I'm getting better with each speech I give."
A.
B.
【判断题】皮肤黏膜的屏障作用、补体和溶菌酶溶菌作用属于非特异性免疫。( )
A.
正确
B.
错误
【单选题】How many linkings should be used when speaking "Better is a neighbour that is near than a brother far off." in a native manner?
A.
3
B.
4
C.
5
D.
6
【单选题】Which of the following is a better translation for the sentence "The device is shown schematically in Fig.2."?
A.
这种装置简要地显示在图2中。
B.
图2是这种装置的简图。
【简答题】As the saying goes, "Where there is a will, there is a way." People who want to make things better can do so if only they are strongly _________________.
【单选题】Which translation of the phrase "a telling lesson" is better?
A.
沉痛的教训
B.
难忘的体验
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