材料牌号QT600-3中,QT表示球墨铸铁,()表示最低抗拉强度为600MPa,3表示最低伸长率为3%。
参考答案:600
毛 * * 提出的抗日民族统一战线策略方针的中心一环是:
A.发展进步势力
B.争取中间势力
C.孤立顽固势力
D.“利用矛盾,争取多数,孤立少数”
According to the text, some health care experts believed that ______.
A.the new law had a 10-year budget of about $400 billion but little was expected for the prescription-drug coverage
B.the new law will have to wait another 10 years and cost about $400 billion before it is able to take effect
C.the framework of the new legislation would be fit for a project that was to cost $400 billion over the next 10 years
D.the projected $400-billion-over-10-years cost framework was planned to be the budget for the current Iraq war