正确答案: B

嘧啶核苷酸

题目：氨甲酰磷酸可以用来合成

解析：B

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举一反三的答案和解析：

[单选题]Text 3In the early 1960s Wilt Chamberlain was one of only three players in the National Basketball Association (NB

listed at over seven feet. If he had played last season, however, he would have been one of 42. The bodies playing major professional sports have changed dramatically over the years, and managers have been more than willing to adjust team uniforms to fit the growing numbers of bigger, longer frames.

解析：

文中“…listed at over seven feet. If he had ….The bodies.. changed dramatically over the years”可以看出此段主要讲述NBA球员身高的变化；另外，从文章中心来看，可以排出B，C，D。因此选A

[多选题]为了保持物价总水平的稳定，国家实施宏观调控可以采取的货币政策手段有 （ ）

调整存贷款基准利率

调整法定存款准备金库

调整再贴现率

解析：该题考查国家宏观调控的政策。为保持物价总水平的稳定，国家采取一系列货币政策、财政政策调节货币供应量，稳定物价。C项本身不属于货币政策。