A.6？ B- 6c . 5？ d-5

2. 1,5,7,37,()

A.262B.263C.264？ D.26 1

3. 1,3,3,9,27,243,()

A.656 1？ B.4437？ C.5086D.3874

4. 14,26,45,(), 104

A.7 1？ B.72？ C.73D.74

5. A regular cube with side length of 8 consists of several regular cubes with side length of 1. Now, the surface of the big cube needs to be colored. How many small cubes have you drawn? (? )

Point 296? B.324C.328？ A.D. 384

6. Tourists come to Dalian to travel, or go out to play in the morning and rest in the afternoon; Either rest in the morning or go out to play in the afternoon, and he can only rest for a whole day on rainy days. During this period, the number of days without rain is 12, the number of days of rest in the morning is 8, and the number of days of rest in the afternoon is 12. How many days did he stay in Dalian? ()

A. 12B. 16？ C. 18D.20

7. A man spent 60 yuan in a clothing store to buy a dress, paid 100 yuan, and the clerk gave the customer change from other stores. Later, it was found that this 100 yuan was counterfeit, and the clothing store had to pay the store 100 yuan. If the purchase price of the clothes sold is 40 yuan, how much will the clothing store lose? (? )

.40 caliber? B.80？ C. 100？ D. 180

8. A pool is equipped with three water injection pipes A, B and C. It takes 10 minute to fill the pool, 15 minute to fill the pool and 6 minutes to fill the pool. How many minutes does it take to open three pipes at the same time?

A.5？ B.4C.3？ D.2

9. The fast clock is faster than the standard time 1 min, and the slow clock is 3 minutes slower than the standard time. If the two clocks are adjusted to the standard time at the same time, the result is that within 24 hours, the fast clock shows 10 o'clock sharp, and the slow clock just shows 9 o'clock sharp. The standard time at this time is (? )。

A.9: 00 15？ B.9: 25？ From nine thirty-five to nine forty-five

10. Among the following garden buildings, those that do not belong to the royal garden are:

A. chengde mountain resort

B. Summer Palace

C. Yuanmingyuan

D. humble administrator's garden

?

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