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【单选题】
下列对适应性调节性 T 细胞表述有误的是()A.
一般在外由 Ag 诱导产生
B.
其激活一般不需 CD28/B7 提供共刺激
C.
也可来自其他初始 T 细胞
D.
也可从自然调节 T 细胞分化而来
E.
发挥功能时无需特定细胞因子参与
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举一反三
【单选题】以下选项中哪个是Student类创建对象的正确语句？（ ）
A.
s1=new Student( );
B.
Student s1=new Student( );
C.
s1=Student( );
D.
Student s1=Student( );
【简答题】改革开放以来,中国进行建设中国特色社会主义伟大实践,实现了中华民族从站起来到( )的伟大飞跃,证明只有中国特色社会主义才能发展中国。
【单选题】Suppose you spend 30 percent of your budget on food, 20 percent on medical care, 40 percent on rent, 5 percent on entertainment , and 5 percent on miscellaneous items. If the price of all parts of you...
A.
Food.
B.
Medical care.
C.
Rent.
D.
Entertainment.
【单选题】____ of that country ____ by snow. [ ]
A.
Two-third, is covered
B.
Two-thirds, is covered
C.
Two-thirds, are covered
D.
Two-third, are covered
【简答题】改革开放以来伟大实践的经验集中到一点，就是要毫不动摇地坚持以建设中国特色社会主义理论为指导的党的( )。
【单选题】Which of the following is a part of your image?
A.
Level of self-confidence.
B.
Friendliness.
C.
Appearance.
D.
All of the above are parts of your image.
【单选题】以下选项中哪个是Student类创建对象的正确语句？（ ）
A.
Student s1=new Student( );
B.
s1=new Student( );
C.
s1=Student( );
D.
Student s1=Student( );
【单选题】The two - country, multi - product model differs from the two - country, two - product model in that, in the former
A.
which country will export which product is determined entirely by labor productivity data.
B.
the relative wage ratio will determine the pattern of trade ( which good is exported by which country.
C.
domestic relative prices are not relevant.
D.
full specialization is likely to hold in equilibrium.
E.
none of the goods are potentially nontraded.
【单选题】______ of that country is covered by snow.
A.
Second thirds
B.
Two thirds
C.
Twos thirds
D.
Two third
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