皮皮学，免费搜题
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【单选题】
Th0 cells differentiate into Th1 cells under the action of which cytokinesA.
IL - 12
B.
IL - 10
C.
IL - 5
D.
IL - 4
E.
IL - 3
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
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【单选题】Clothes used to ______ by hand in the country.
A.
be making
B.
be made
C.
have made
D.
have been made
【多选题】以下关于等效原理说法正确的有()。
A.
等效原理在大的空间范围内也是成立的
B.
等效原理有弱等效原理
C.
等效原理有强等效原理
D.
等效原理是指重力场与以适当加速度运动的参考系不是等价的
【简答题】Below are same classified ads from an English newspaper. Classified ads FOR DORECT CLASSIFIED SERVICE CALL 800-0557 10 A.M.-4P.M. MONDAY-FRIDAY FOR SALE ——————————— COME to our moving sale- Plants, ...
【多选题】实现教与学再度整合要解决的问题有( ) [ 多选题 *]
A.
激发并维持学习者的学习动机
B.
减少距离感带来的学习转态不佳，甚至退学
C.
设计开发学习材料
D.
保证学习者获取学习内容的有效性
E.
保证教学过程拥有双向通信机制与服务
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