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【判断题】
本章我们将学习数学建模入门线型规划模型,微分方程模型。A.
正确
B.
错误
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举一反三
【简答题】Task 3 This is an announcement on the plane when the plane is taxiing. Listen to it and fill in the blanks with what you hear. Ladies and gentlemen, now our flight has landed at 1._________________. T...
【简答题】Section B I have an Announcement Part II Section B.avi Task 1 Directions: Listen carefully and fill in the blanks with what you hear. You may read through the words in the box which will help you. 1. ...
【单选题】以下哪项不属于《管理世界遗产地的旅游业---遗产地管理者使用手册》的内容（）。
A.
在保护区内禁止建设任何改变景观的建筑
B.
禁止攀登世界文化遗产
C.
禁止对世界文化遗产进行拍照
D.
通过限制参观人数的办法，减少过量参观者以及他们对遗产及生态环境造成的破坏。
【简答题】听力测验--Listen to the passage twice and fill in the blanks with the information you hear (one word for one blank). Landing Announcement 飞机降落机场通知 Ladies and gentlemen, welcome to Los Angeles. Please wait...
【单选题】耕作是指作物种植以前或在作物生长期间，为了改善植物生长条件而对土壤进行的机械操作，耕作的基本目的有三个：一是改良土壤结构；二是把作物残茬和有机肥料掩埋并掺和到土壤中去；三是清除杂草或其他不需要的植株。 根据上述定义，以下属于耕作的是( )。
A.
在果园里挖排水沟
B.
喷洒除草剂以清除杂草
C.
将雨后板结的表土破碎
D.
冬季在农田里种植绿肥作物
【简答题】Now you will hear an announcement in a supermarket.Please note down the missing words and fill them in the blanks to complete the text of the announcement. Ladies and Gentlemen, May I have your attent...
【简答题】Directions: Listen to the following record and fill in the blanks with the exact words you hear. Landing Announcement Ladies and gentlemen, Welcome to Los Angeles. Please wait until the 1._______ has ...
【多选题】Choose the appropriate sentence and fill in the email. 选择句子填在邮件中适当的位置。(每空 4 分,共 20 分) Dear Sir or Madam, 1 . I read the announcement of the summer camp that you have posted on the Internet and I am in...
A.
Looking forward to your reply
B.
What is more
C.
I've been learning English for 10 years
D.
I'm Li Hua, a middle school student from China
E.
I hope I will be accepted as a member of your summer camp
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