贸易顺差是()
A、商品进口额大于出口额
B、商品出口额大于商品进口额
C、国际收入大于国际支出
D、某种商品的进口大于出口
参考答案:B
用所给词的适当形式完成句子。
1.—Where are the notebooks?
— ______ (It) are on the desk.
2. Please take these ______ (book) to your sister.
3. I have some ______ (friend) at school.
4. The ______ (key) are in the drawer.
5. The ______ (hat) is on the dresser.
分析力的合成,应利用平行四边形法侧