对外贸易经济效益
参考答案:
在一定时间内投入对外贸易活动的劳动和取得的成果之比。
句型转换。
1.Mary is playing the piano now. (用sometimes改写句子)
Mary sometimes________ ________ _________,
2. The boy drinks milk once a day. (对画线部分提问)
______ ______the boy _______milk?
3. The twins often do their homework in the evening.( 对画线部分提问)
_______ _________the twins often ______in the evening?
4. The old man often reads newspapers in the morning.(该为一般疑问句)
______the old man often________newspapers in the morning.
5. Do you often take a walk after supper?(作否定回答)
______, ________ ________.
6. I read English three times a day.( 对画线部分提问)
______ ________do you read English?
聊天、座谈所采用的言语类型是()
A.独白言语
B.表面言语
C.内部言语
D.对话言语