与直接投资股票、债券不同的是，基金是一种（）投资工具。 A.直接  B.间接  C.

什么叫比重？

“你千年来岿然不动，碧绿的禾苗向你欢笑；流畅的河水展露笑颜，听，那是李冰父子带领人民劳动的号子吧，至今在空中回响……”这里的“你”指的是下列哪一水利工程[ ]

A．灵渠

B．白渠

C．都江堰

D．郑国渠

用call的相关短语完成句子。

1. The game was                        because of bad weather.

2. His speech                       an angry response.

3. I'11                      you at 7 0'clock.

4. She was                       from the meeting to take an urgent phone call.

5. This train                      every station.

6. Many experts have been                       for advice.

7. The injured soldier                      in pain.

8. The teacher         the children's names.

半夏具有的功效是（）

A.宣肺化痰，清热散结

B.燥湿化痰，降逆止呕，消痞散结，消肿止痛

C.清热化痰，软坚散结

D.燥湿化痰，消肿散结

E.燥湿化痰，解毒散结