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【单选题】
固有免疫应答的特点,下列错误的是A.
先天具有，人人都有，个体之间的差异较小，可遗传
B.
对抗原的应答无特异性，对所有抗原均有一定的作用
C.
无免疫记忆性
D.
免疫作用发生迅速广泛
E.
对抗原免疫有针对性
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【简答题】My sister is really ____________ . She has big blue eyes and long fair hair.
【简答题】预制钢筋混凝土楼板由哪些特点?有几种结构形式?
【简答题】现浇钢筋混凝土楼梯有哪几种做法？板式楼梯、斜梁式楼梯。
【单选题】My sister is really a couch patato.She put on 2 kilos during the winnter vacation.She should ________________
A.
get a balanced diet
B.
do more exercise
C.
have enough sleep time
D.
All above
【单选题】My sister is really good at high jump. She jumps ______ than the other students in her school. [ ]
A.
the highest
B.
very high
C.
much higher
D.
too high
【简答题】My sister is really ____________ (beauty) . She has big blue eyes and long fair hair.
【简答题】写出下面梯形图的程序语句
【简答题】写出下面梯形图的程序语句
【单选题】选词填空。 选项中的词汇涉及以下几个话题: character, psychology, time, change, individuality, commnunity, chemistry, medicine, study and work. My sister is really self-...... she can join in a group without any introduct...
A.
centered
B.
confident
C.
controlled
D.
absorbed
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