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【简答题】
说明双子叶植物叶片与禾本科植物叶片结构的不同点。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
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.
╳
【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 _________________.
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