题目

如图，甲从A点出发向北偏东60°方向走到点B ， 乙从点A出发向南偏西20°方向走到点C ， 则∠BAC＝°． 答案：【1】140根据短文内容简要回答问题。    With the holidays coming up, lots of people will be having parties. Want to make sure you're a perfect host or guest(客人)? Now it's a good time to brush up on your party manners.    When inviting guests to your party, send invitations to their homes instead of passing them out at school. This way, you won't hurt the feeling of classmates you didn't invite.    (3)Wait for all your guests to arrive before starting any activities. If people at the party don't know each   other, make sure you introduce everyone.    If your guests bring gifts for you, thank each gift----giver as you open his/her present. After the party, be sure to send a hand-written thank-you card to each guest, telling them how much you appreciate their gifts.When you receive a invitation to a party, (4) 一定要让主人知道你是否能来.    Arrive on time. Bring a gift to a birthday party. If it's a holiday party, ask the host if there's anything you    can bring. Adults often bring a desert or a bottle of wine to a party, even when the host tells them that  he/she doesn't need anything. Young people don't have to do this, but it's always polite to ask.    Be friendly to the other guests. Remember to say "Please" and "Thank you"! When you leave, thankthe host for the party.1. If you invite guests to your party, how should you send your invitation?______________________________________________________________________2. If your guests bring gifts for you,what should you do ?______________________________________________________________________3. 将短文中划线的句子翻译成汉语.___________________________________________________________________4. 将(4)处译成英语._______________________________________________5. 请根据短文内容拟一个标题.__________________________________________