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【单选题】
项目的“一次性”的含义是指A.
项目的持续的时间很短
B.
项目有确定的开始和结束时间
C.
项目将在未来一个不确定的时间结束
D.
项目可以在任何时间取消
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举一反三
【简答题】Some nice school bags are _____ ____ ( 出售) at the shop.
【单选题】What did Simon take to school with him?
A.
His fifth birthday cake.
B.
A special bag.
C.
Some of his toys.
【简答题】用横线画出句中错误并改正。 1. Sorry, where's the camera? 2. What's a nice school bag! 3. Mum, where's cake? 4. I don't find Mum. Where's she?
【简答题】2 (QR) What is an elliptic curve?
【简答题】完形填空。 Jack: Mike, look l the green school bag! Mike: Oh. It's nice. Jack: Yes, but it's _ 2 small. I 3 got many books. Mike: Please take a big one. Assistant: OK. How about the blue one? It's 4 than t...
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