财政资金用款计划按资金性质分为预算内资金用款计划、预算外资金用款计划和政策性资金用款计划，按资金支付方式分为（）。
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How should you signal the crane operator to raise the boom?（）.
A. Extend arm with the thumb pointing up and flex the fingers in and out
B. Place both fists in front of the body with the thumbs pointing upward
C. With forearm vertical and forefinger pointing up,move hand in small horizond circles
D. Extend arm with the fingers closed and thumb upward
常用的膜分离组件有哪些类型？请画出四种市售膜分离装置结构示意图。
种植酿酒用的葡萄应该选在表土肥沃，且水源充足的地方，日照时间不能太长。
A. 正确
B. 错误
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