委托收款结算方式只在同城使用,异地不可使用。()
参考答案:错
He_____ articles for our wall-newspaper these years, and he____ about thirty articles.
A.has written; wrote
B.has been writing; wrote
C.is writing; has been writing
D.has been writing; has written
休克难治期病情进一步恶化,这是因为();()。