[填空题]
{{B}}PART ONE{{/B}}
·You will hear three telephone conversations or messages.
·Write one or two words or a number in the numbered spaces on the notes or forms below.
·After you have listened once, replay the recording.
{{B}}Conversation One{{/B}}
·Look at the notes below.
·You will hear a man phoning a company about an order.

{{B}}ADC Printing House{{/B}}
Telephone Message
Message for: Sally Hu
John Anderson rang from{{U}} (1) {{/U}}He hasn’t received the{{U}} (2) {{/U}}he ordered for a{{U}} (3) {{/U}}later this month. He wants to change the quantity to{{U}} (4) {{/U}}-- to be ready tomorrow. He will fax details if needed.

[R2]display bgp group in+

BGP peer-group: in

Remote AS:102.

Authentication type configured: None-

Type.: internal

Configured hold timer value: 180

Keepalive timer value:60

Connect-retry timer value: 32

Minimum route advertisement interval is 15 seconds

Connect-interface has been configured

PeerSession Members:.

10.1.3.3  10.1.4.4  10.1.5.5

Peer Preferred Value:0.

No routing policy is configured.

Peer Members:

Peer     V  AS  MsgRcvd  MsgSent  0utQ    Up/Down     State    PrefRcv.

10.1.3.3  4  102   5         7       0      00:03:33   Established   10

10.1.4.4  4  102   5         6       0      00:03:11   Established    5

10.1.5.5  4  102   4         6       0      00:02:52   Established    2

严重维生素B₁缺乏引起心力衰竭的主要机制是（）。