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水体的PH值越低有利于保存化石。()
参考答案:错误

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史称“草圣”的是()。

A. 怀素
B. 张旭
C. 张芝
D. 王献之

水流湍急的环境比静水环境更有利于保存化石。()
参考答案:错误

日光石石也叫亚马逊石,在亚马逊流域还有一些关于天河石用于施魔法用的传说,另一传说天河石是赌桌上的幸运之石。()
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UNICEF is joining with a nonprofit group to bring AIDS【D1】______ programs to more women and children in five countries. UNICEF, United Nations Childrens Fund, will work with Family Health International. The new partnership will be【D2】______ at first in Guyana, India, Malawi, Nigeria and Zambia. One of the goals is to improve care for babies【D3】______ with H.I.V., the【D4】______ that【D5】______ AIDS. Another is to prevent the spread of H.I.V. from mother to child. Activities will depend on the needs of each country. In some cases, anti-AIDS drugs will be【D6】______ to infected parents of children. Women and children living in rural communities will receive most of the services. Both UNICEF and Family Health International will expand their partnership into more countries in the future. Family Health International has been working on public health issues since 1971. The organization is based in North Carolina and has programs in seventy countries. It does research on【D7】______【D8】______ and reproductive health, and also provides services. Experts say an important part of fighting AIDS is political will. One example they point to is Cambodia. That country has been getting attention for its【D9】______ in reducing some of the highest【D10】______ rates in Asia. Experts praise the government for supporting public education efforts and programs.
【D1】

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