单项选择题 花朵、叶片等植物材料运用粘贴技法，用热胶粘接，常用于创造不同的纹理与质感，使造型画面丰富。 A、正确 B、错误

单项选择题 胸内负压是实现肺通气的重要条件。

未知题型 From the missionary's manuscript. we may infer that ______.A.the great signal drums were very popular thereB.people there were hostile to the European strangersC.the Amazon River area was densely populated thenD.the tribes along the river were always at odds