经济学家们之所以在学术上存在许多争论,是因为他们使用的研究方法不一样。
参考答案:错
读短文完成句子。
Hi! Friends. This is a photo of my family. Look at this man. He is my father. He wears a black sweater.
He likes black very much. That man is my uncle. He likes white. These girls are my sisters and me. Our
favourite colour is red. Those boys are my brothers. Their favourite colour is blue. The woman with brown
hair is my mother. She likes purple sweater. I love my family.
1. My favourite colour is _____________.
2. My mother's hair is _____________.
3. My father's sweater is _____________.
4. _____________ is my brother's favourite colour.
张骞通西域后,从中国运往西方的主要货物中包括( )
A.核桃
B.中药材
C.珠宝
D.铁器