由若干元件组成但只有两个端钮与外部电源或其他电路相连接的电路称为二端网络或一端口网络

用现在进行时填空。

1. Danny and Jenny _______________ _______________ (watch) TV.

2. Jenny _______________ _______________ (sit) in a chair.

3. They _______________ _______________ (play) cards.

4. We _______________ _______________ (read) the newspaper.

5. She _______________ _______________ (write) a letter.

6. My mother _______________ _______________ (cook) meat.

7. What _______________ they _______________ (do)?  They are reading.

由基因型为Aa植株的花粉和基因型为Bb植株的花粉，除去细胞壁后，进行原生质体融合，可以得到多少种基因型不同的细胞(仅考虑两个细胞的融合)[ ]

A．6种

B．8种

C．10种

D．12种

第二节：根据对话内容，从对话后的选项中选出能填入空白处的最佳选项。并在答题卡上将该项涂黑。选项中有两项为多余选项。

W: Hello. Minchhampton Tourist Office.

M: 61  

W: Well, we've only got three, the Elm, the Hotel Placid and the Singing Fiddle.

M: 62  

W: The Elm has twenty rooms. The Hotel Placid has thirty-five rooms and the Singing Fiddle has only eight rooms.

M: 63   

W: The Elm costs 16 pounds per person a night. The Hotel Placid costs 32 pounds and the singing Fiddle costs only 8 pounds.

M: 64  

W: The Elm is 625387. 65  

M: Thank you.

A．How large are they?

B．Hello, I want to stay in a hotel in Minchhampton.

C．How much do they cost?

D．The Hotel Placid is 60744 and the Singing Fiddle is 81990.E. Sorry, I can’t follow you.

F. Thank you, and what are the telephone numbers?

G. Where is the Singing Fiddle?

便后出血与用力负重后有软块从肛门露出，应考虑

A．直肠息肉
B．直肠癌
C．肛裂
D．Ⅲ度内痔
E．外痔

证券投资基金的监管原则包括（）。

A、保护投资者利益原则

B、法制管理原则

C、搣三公攠原则

D、监管与自律原则