What is the lecture mainly about？
A. Methods of observing unusual animal behavior
B. A theory about ways birds attract mates
C. Ways animals behave when they have conflicting drives
D. Criteria for classifying animal behaviors
查看答案
“不具备专家资源、节目资金、制作能力等条件的电视台，不得盲目跟风制作电视养生节目”由此可以推出（）。
A. 有些制作电视养生节目的市电视台必须提高节目收视率
B. 上星卫视都具备制作电视养生节目的专家资源、节目资金、制作能力
C. 有些上星卫视需要提高自身制作能力
D. 所有不能制作电视养生节目的电视台都必须提高制作能力
The manager asked you to______ for your absence.
A. explain
B. account
C. count
D. reason
Which of the following italicized phrases indicates purpose？
A. We were excited to hear the news.
B. They ran over to welcome the guests.
C. What have I said to make you so excited？
D. The child is too young to go to school.
A．mysteriousB．naturalC．grandD．unique
A. mysterious
B. natural
C. grand
D. unique
微信支付 
支付宝支付