【单选题】What is NOT Kirk’s suggestion for people who are already unhealthy to lose weight?
A.
Healthy eating is a good place to start
B.
Daily exercise can contribute a lot.
C.
A good mood is good medicine.
【判断题】行列式的某两个不同列的对应元素成比例,则该行列式的值不为零. ( )
【判断题】行列式的某行元素全为零,则行列式的值为零. ( )
【单选题】What is Jaidee's suggestion for Kirk?
A.
He can start by learning Chinese customs.
B.
He can start by making Chinese friends.
C.
He can learn more about the meaning of each Chinese holiday.