In the second paragraph, the term "in effect" means __________.

• A、in fact 

• B、it is doubtful 

• C、often 

• D、without reason

Which of the following is TRUE according to the 4th paragraph?

• A、Birds hardly pay attention to their young.

• B、Baby crocodiles can look after themselves well.

• C、Some dinosaurs took care of their young.

• D、Birds and crocodiles take good care of their young.

你校學生會將為來訪的美國朋友舉辦一個晚會，要在學校廣播中宣布此事，并歡迎大家參加。為使美國朋友聽懂，請你用英語寫一篇廣播通知。要點如下：

　　(1)宗旨：歡迎來訪的美國朋友;

　　(2)組織者：學生會;

　　(3)時間：8月13日(星期六)晚7：30;

　　(4)地點：主樓屋頂花園;

　　(5)活動內容：音樂、跳舞、唱歌、游戲、交換小禮品(請包裝好、簽名并在包裝外面寫上祝愿詞)。

　　注意：應包括以上要點，但不要逐字翻譯，要組織成一篇通順連貫的短文;開頭語已為你寫好。

　　生詞：交換禮品——to exchange gifts;學生會——the Students’Union

　　May I have your attention,please? I have an announcement to make.