③hook n．钩

　　④bubble n．气泡

　　⑤sturgeon n．鲟

　　Ⅰ.Please match the words with their proper meanings.

　　1．annual　　 A．facing; on the other side of a specific area from sb./sth.

　　2．witness　 B．stop for a short time before continuing

　　3．opposite C．run or hurry away

　　4．pause D．try to persuade; strongly recommend; drive or force forward

　　5．flee E．person who sees an event take place

　　6．drag F．distance from the top to the bottom of sth.

　　7．depth G．pull sb./sth. along with effort and difficulty

　　8．urge H．happening every year

　　答案：1～5　HEABC　6～8　GFD

　　Ⅱ.Write down the meaning of phrases in each sentence.

　　1．-Why didn't Mr. Smith arrive on time for the meeting?

　　-He must have been held up on his way here in the traffic jam.使延误

　　2．The conference will begin in an hour; in the meantime, let's have a chat.在此期间

　　3．-Do you work in this office?

　　-No, as a clerk in this office is on vacation, I'm just helping out here for about a week.帮助(某人)摆脱困境或危难

　　4．She studies so hard that she is always well ahead of the rest of the class.在......的前面

　　5．I need to sort out the mess on my desk.整理

　　6．And don't yell out. And don't worry if you're a bit slower.大叫

Match the pictures with the proper introductions.