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水下灌注混凝土时，水泥强度等级应不低于42.5级，其初凝时间不宜早于2.5h。 ()

A. 正确
B. 错误

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凭证式国债不可上市流通，不可提前兑取。()

A. 正确
B. 错误

结构性理财产品的流动性相对银行货币型理财产品较低。()

A. 正确
B. 错误

听力原文： Modern Chinese use the solar calendar as English people do. But at the same time, they use their own lunar calendar. Each lunar year is given the name of one of these animals: the rat, the ox, the tiger, the hare, the dragon, the snake, the horse, the goat, the monkey, the chicken, the dog and the pig. This list lasts for twelve years and then starts again.
Each Chinese month starts on the day of the new moon, and the full moon comes on the fifteenth day of the month. The New Year always starts between January the twenty-first and February the twentieth.
On the last day of the lunar year, there is a big family dinner. All members of the family(except married daughters) try to be present at this meal, even if they have to travel many miles to reach the home of their parents. Old quarrels are forgotten, and everybody is happy. After the dinner, the children keep awake to welcome the New Year.
The New Year celebrations last for 15 days, from the new moon to the full moon. On the first day, children and unmarried people go to visit their elders.
(30)

A. It was the year of the ox.
B. It was the year of the snake.
C. It was they ear of the tiger.
D. It was the year of the hare.

A．On 16th February.B．On 15th February.C．On 17th February.D．On 14th February.

A. On 16th February.
B. On 15th February.
C. On 17th February.
D. On 14th February.