心理学研究表明，学习动机可以通过两条途径来形成，其中主要考虑如何使学生原有学习需要得到满足，属于（）
C
可利用直接发生和间接发生两条途径培养学习动机，其中考虑如何使学生原有学习需要得到满足是利用直接发生途径。
佝偻病激期最主要的表现是（）
The furniture in her bedroom is quite different from ________ in the living room.
The new discovery _______ be of great service to mankind.
不孕症患者进行输卵管通畅试验，时间应选择在月经干净后（）
下面所述小儿的总热量中哪项所需热量是小儿最特殊的（）
Both of my brothers are now married ，so I have two_____.
Students should_____their own interests as well as do their schoolwork.
正常足月新生儿开始喂母乳的时间是（）
Because of the bad weather, the sports meet had to be ________.
In order to buy a new car, you should at least ______ one hundred dollars a week.