The boy took away the woman’s necklace without ______.
A. being seen B. seeing him
C. seeing D. seeing him
How long does it ______us to travel from New York to Beijing by air.
A. cost B. take
C. takes D. spend
______ has been done to beautify the environment of the city by the government.
A. many B. much
C. less D. more
In summer, you’d better wear ______ pair of sunglasses to protect your eyes from ______sun.
A. an; the B. a; the
C. a; an D. an; a
语音知识：从A、B、C、D四个选项中， 找出一个与其他三个单词划线部分发音不同的选项
1.dateA. natural B. national C. labour D. along
2.bloodA. foot B. good C. flood D. look
3.recallA. length B. gentle C. refer D. whether
4.failA. captain B. brain C. said D. Britain
5.laughA. light B. enough C. night D. weigh
假定你是李华。你校将于下周五下午2点到4点在学校礼堂举行一场关于急救的知识讲座，请你用英语给外教James写一封邮件，邀请他出席该活动，内容包括：
1. 活动的时间，地点和主题；
2. 告知该活动的重要性；
3. 希望他能发言。
注意：1. 词数100左右；
2. 可以适当增加细节，以使行文连贯。
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