在规定的条件下,连续两次干燥或灼烧后称定的质量差异不超过规定的范围叫做()。A.恒定

题型:单项选择题

问题:

在规定的条件下,连续两次干燥或灼烧后称定的质量差异不超过规定的范围叫做()。

A.恒定

B.恒重

C.定量

考点:食品科学技术食品安全学食品安全学题库
题型:单项选择题
阅读短文,完成下面的句子,每空一词。
The Development of China's Sports
Sports have developed fast in our country these years.
     In 1974, our country first came to the Asian Games. In 1978, in the 8th Asian Games, our
country won the second place. Our country has won the largest number of gold medals in the
past six Asian Games since 1982.
     In 1984, China competed in the Olympic Games, and won the fourth place with 15 gold medals. In 1988,
China won five gold medals in the 24th Olympic Games. In the 25th and 26th Olympic Games, we both won
16 gold medals and ranked fourth. In 2000, for the first time, we ranked third with 28 gold medals. In 2004,
we won 32 gold medals and ranked second in the Athens Olympic Games. We felt very proud of our great
country.
     At the same time, our country tries to improve the ability of hosting international games. In 1990, we hosted
the 11th Asian Games successfully. To our pride, the 29th Olympic Games will be held in Beijing and the 16th
Asian Games will be held in Guangzhou in 2010. It shows our success in sports is accepted by the world.
     Clearly, our country has become a powerful country in sports.
1. Our country has won the largest number of _________ medals in Asian Games _________ 1982.
2. In 1984, our country _________ part in the 23rd Olympic Games and won the _________ place.
3. In 2004, we won gold medals _________ as many _________ we did in the 25th Olympic Games.
4. We'll hold the 16th _________ Games in Guangzhou in two _________.
5. From the passage, we know that China has _________ great progress in _________so far.
题型:单项选择题

足月胎头双顶径平均为()

A.8.3cm

B.9.3cm

C.10cm

D.11.5cm

E.12cm

题型:单项选择题

有人问智者,一滴水如何才能不干涸,智者回答,将它放入大海中。这给我们的启示是

①良好的班集体是我们健康成长的重要环境 

②个体的发展与集体的发展密切相关

③只有在集体中,个体才能得到全面发展       

④水离不开大海,但我们可以离开集体

A.①②

B.①②③

C.①②③④

D.②③

题型:单项选择题

下列哪种设备或扩展卡在安装好硬件后不需用户专门安装驱动程序()。

A、显示卡

B、MODEM

C、声卡

D、鼠标

题型:单项选择题

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