VTP is configured on switch R1. Which of the following features were added in VTP version 2 that were not previously supported in VTP version 1？（）
Which is the result of enabling IP Source Guard on an untrusted switch port that does not have DHCP snooping enabled？（）
On a Nexus 5000 Series Switch， when a VFC is not online， what are the causes？（）
An 802.1Q trunk is not coming up between two switches. The ports on both switches are configured as "switchport mode desirable." Assuming that there is no physical issue，choose two possible causes.（）
VLAN maps have been configured on switch R1. Which of the following actions are taken in a VLAN map that does not contain a match clause？ （）
An 802.1Q trunk is not coming up between two switches. The ports on both switches are configured as "switchport mode desirable." Assuming that there is no physical issue， choose two possible causes.（）
On a vessel，if someone fell overboard and you did not know over which side the person fell，you should（）.
Bill did not realize what time it was when I knocked on the door.
1. I stood by the door, and did not dare to say aword. →I stoodby the door,_____ ______ to say a word.
纠错Fred, who usually conducts the choir rehearsals, did not show up last nightbecause he has an accident on his way to the practice.
1. I stood by the door, and did not dare to say aword.→I stoodby the door,_____ ______ to say a word.
_____, I could not memorize the text.However hrd did I tryB．However hrd I triedC．However I tried_____, I could not memorize the text.However hrd did I try B．However hrd I tried C．However I tried hrd D．However I hd tried hrd
________, I could not memorize the text.However hrd did I tryB．However hrd I triedC．However I tr________, I could not memorize the text.However hrd did I try B．However hrd I tried C．However I tried hrd D．However I hd tried hrd
听力原文：W: Sorry I did not come yesterday, because I had a temperature. Could you tell me the requirement for my term paper？
I knew it wasn&39;t easy to find a hotel in such a small place but I did not anticipate ______ the whole night on a park bench．
听力原文：W: Carol told us on the phone not to worry about her. Her left leg doesn’t hurt as much as it did yesterday.
The bookshop said they did not have the novel just then, but that it was on______.
I （) Billy not to walk on the ice but he just went on.
I could not remember the text .However hrd did I tryB．However hrd I triedC．However I triedD．HoweI could not remember the text .However hrd did I try B．However hrd I tried C．However I tried D．However hd I tried hrd
Write a letter of about 100 words to the director of the library in your university, giving some advice on how to improve the library service. You should include the details you think necessary. You should write neatly on the ANSWER SHEET. Do not sign your own name at the end of the letter; use "Li Ming" instead. Do not write the address.(10 points)
the car costs so much that i did not buy it(用too..to改写） the car costs ()()()me ()buy
----- Did you say you like the film TINATIC？----- _______.I said it’s not bad.
Lawrence kept on butting me but the referee did not__him（）
There are no simple-minded topics such as “What I Did on My Summer Vacation” on the list, but most of the topics seemed to be nearly as dull.
