1741年安德鲁·布雷福德创办了美洲的第一份杂志（）。

目睛晕黄

“诸风掉眩，皆属于肝”出自于（）。

A.《丹溪心法.头眩》

B.《素问.玄机原病式.五运主病》

C.《灵枢.海论》

D.《素问.至真要大论篇》

E.《灵枢.口问篇》

句型转换。

1. I want to get a lot of practice for basketball. (改为一般疑问句)

    ______ ______ want to get a lot of practice for basketball?

2. She is going to do some shopping. (对画线部分提问)

     _______ is she going to _______?

3. Scott is going to move to New York. (对画线部分提问)

    _______ _______ Scott going to move?

4. What is Ann going to be when she grows up? (改为同义句)

    What ______ Ann ______ when she grows up?

5. He often gets up early. (用tomorrow改写)

    He's ______ ______ get up early tomorrow.

某有机物A的相对分子质量是60，其分子中碳、氢的质量分数分别是40%、6.6%，其余为氧。

⑴求该有机物的分子式________________。

⑵该有机物能与Na₂CO₃溶液反应，写出其结构简式____________。

氢气钢瓶外表面喷的漆颜色是（）。

A.灰色

B.深绿色

C.黑色

D.黄色