蓝细菌的形态结构有何特征？蓝细菌细胞有哪些特化类型？各有什么功能？蓝细菌的繁殖方式。

– Have you ever been back to our Alma Mater(母校) after graduation?

-- Of course. _____.

Which of the following is incorrect?

A．She is 3 times larger than she was

B．She is as 3 times large as she was

C．She is 3 times what she was in size

D．She is 3 times her previous size

我国政府已经部分加入了《ATA公约》和《货物暂准进口公约》，目前ATA单证册在我国仅适用于部分货物，按照现行的规定下列不属于ATA单证册适用范围的货物是( )。

A．财富论坛年会暂准进口的陈列品

B．广州商品交易会上的暂准进口货物

C．日本政府代表团访华人员随身携带的物品

D．昆明世界园艺博览会上的进口展览品

－ Where does Mr. Black Live ? Can you guess?

－ Sorry , I can’t guess ________.

A．where does he live

B．where he lives in

C．where does he live in

D．where he lives

标准测量频率准确度应当使用频率计仪表

细支气管肺泡癌属于（）

A.鳞癌

B.大细胞癌

C.小细胞癌

D.腺癌

E.表皮样癌