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Below are some notices and signs from a trade exhibition. Explain what each one means using may, should, shouldn’t, must, mustn’t, don’t have to. PLEASE USE OTHER DOOR You shouldn’t use this door. MEETING ROOM 6 Knock and enter 1. ______ No Photography in Main Hall 2. ______ AUTHORIZED PERSONNEL ONLY 3. ______ Present badges HERE (except staff) 4. ______ REGISTER HERE 5. ______ Events catalogue Please take one 6. ______

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关于项目内部收益率,下列说法错误的是

A. 年平均收益与总投资的比
B. 内部收益率大于基准收益率的项目不可行
C. 项目内部收益率是净现值为0时的折现率
D. 项目内部收益率高表示项目获利机会大

Complete these statements by putting a verb (gerund or infinitive) into each gap. Are you able to repair the fault or not If not, I will go to another garage. It’s better ______ a small part of something big than a big part of something small.

Complete these statements by putting a verb (gerund or infinitive) into each gap. Are you able to repair the fault or not If not, I will go to another garage. I always tell a little joke or story before ______ my presentation.

The table shows the impressive performance of two uranium mining companies on the Australian stock market. Make sentences about the data using the words given. Make sure you use the correct prepositions.PriceAus$JanFebMarAprMayJunFormetalUromin3.62.44.22.84.23.24.23.04.83.75.43.6 stood / January Uromin shares stood at $2.4 in January. reached a peak / $3.7 / May

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