在不重复抽样条件下，如果不考虑顺序，其样本可能个数是 未知类型：{'options': ['N!', '[tex=3.5x2.714]IHfgrrGu8p/ALL7CNkeI/qEGGij9GYTw5ojnrZVfo4A=[/tex]', '[tex=4.357x2.714]IHfgrrGu8p/ALL7CNkeI/hwqgBbibqPhLYeuGWSBnmI=[/tex]', '[tex=3.5x2.714]5NRonGKElOj5xfe5CgqDPB/mPQ6s6v0Cmbed/OgCe3M=[/tex]'], 'type': 102}

Matching Practice All the 7 letters are marked with 1)~7) in chronological order, and match them with the detailed information.

First of all, it is important to establish that the parties intended to create a legal ( 7 ) when they formed the contract and not merely an ( 8 ) … agreement. （7）为

中国大学MOOC: This layer of atmosphere is being (7) ________by all of the global warming pollution.

【单选题】There are all together _____ steps involved in the process. A: 4 B: 5 C: 6 D: 7

How long will the trip take A: 7 hours. B: Half a day. C: The whole day. D: All weekend.

7) Please have the goods insured______ All Risks for 110% of the invoice value. A: on B: in C: about D: against

文章同第7题9. Mumps, measles and common colds are all virus infections and can be cured by antibiotics.

I will _______ the wake-up call for all of you at 7:30. A: set off B: set on C: set up D: set down

All children in the UK should have at least ______ years of compulsory full-time education. A: 7 B: 9 C: 11 D: 13