( )年，我国实行“划分税种、核定收支、分级包干”体制。A．1980B．1985C

读句子，根据所给汉语提示写出单词。

1. Look, Mum! All the boxes in the room are filled with ______ (蔬菜).

2. Many people die in ______ (自然的) disasters every year.

3. Reading English aloud every day will of course help you to improve your ______ (发音).

4. They have planted about five ______ (千) trees in and around the town in the past few years.

5. Many roads are being improved to meet the coming ______ (国际的) Marathon in Lanzhou.

有意后注意是有预定目的，但不需要意志努力的注意。

任何一种地基处理的方法都不是万能的，应根据工程的实际情况选用。

软组织缝合的种类有对接缝合、（）和张力缝合

以下（）项不是防止热裂纹的措施。

A.控制焊缝中硫、磷、碳的含量

B.采用碱性焊条焊接

C.减少焊缝中的含氢量

D.收弧时要填满弧坑