【判断题】Develop student’s reading skills. This learning objective is appropriately presented. ( )
【简答题】维生素A含量丰富的食物是(2.0分)A. 牛奶 B. 蛋类 C. 粮谷类 D. 内脏尤其是肝脏 E. 肉类
【单选题】A learning objective is similar to a learning activity.
【判断题】Develop student’s reading skills. This expression of learning objective is inappropriately presented. ( )
【单选题】选出对这朱自清《春》中“春花图”的层次分析正确的一项是( )
A.
这段文字可分三层,是按虫、树、花的次序安排结构的。
B.
这段文字可分三层,是按花朵、果实、野花的次序安排结构的。
C.
这段文字可分三层,是按树上、花下、遍地的次序安排结构的。
D.
这段文字可分三层,是按树木、花朵、昆虫的次序安排结构的。
【多选题】Which of following is the learning objective of this unit?
A.
Have a thorough understanding of the text contextually and linguistically.
B.
Know how to use the key words and expressions in context properly.
C.
Understand the procedure and criteria used by admissions officers and those used by students when they select foreign universities.
D.
Discuss the pros and cons of studying abroad.
E.
Get familiar with the writing of a resume.
【简答题】在桥式整流电容滤波电路中,已知RL=50Ω,C=1000μF。(1)用交流电压表测得u2=20V,用直流电压表测得RL两端的电压为:①uo=28V,②uo=18V,③uo=24V,④uo=9V,试分析改电路分别处于何种情况下测出。(2)当桥式整流电路中任一个二极管出现下列情况:①短路,②开路,③接反,试分析会出现什么情况和危害。
【单选题】Having multiple verbs in a learning objective can cause confusion.