单项选择题

数词「64（ろくじゅうよん）」的声调是（）。
A、0型
B、2型
C、3型
D、5型

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多项选择题

在Word文档中，插入形状，可以设置形状的（）。

A．填充颜色
B．轮廓颜色
C．阴影
D．三维旋转

单项选择题

Which of the following is not true regarding the physiologicaleffects of gastric acid ()

A．It can activate pepsinogen and supply the acidic environment required by pepsin
B．It denatures proteins in food and makes them easy to break down
C．Kills bacteria that enter the stomach with food
D．Promotes the absorption of vitamin B12
E．After entering small intestine, hydrochloric acid can promote the secretion of bile, pancreatic juice and small intestine fluid