混凝土的设计强度为C25，使用32.5级的普通硅酸盐水泥，碎石粒径5～40mm，混凝
题型：单项选择题
问题：
混凝土的设计强度为C25，使用32.5级的普通硅酸盐水泥，碎石粒径5～40mm，混凝土单位用水量185kg，则该混凝土的单位水泥用量为（）kg。
A．356.64
B．376.79
C．394.81
D．425.78
题型：单项选择题
阅读理解。
The Sydney Opera House is a very famous building in the world. It has become Sydney's best-known
landmark and international symbol. The Opera House with a " sailing roof" was designed by a famous
Danish architect (丹麦建筑大师), Utzon. The base for the building was started in 1959, years before
the designs were finished. Utzon spent four years designing the Opera House. In 1962, the designs were
finalized (定稿) and the construction began. In 1967, they started the decoration inside. It took 14
years in total to build the Opera House. Queen Elizabeth II officially opened it on October 20th, 1973.
The Sydney Opera House cost around $100 million and was paid for by the public. 6,225 square
meters of glass was used to build it. The Opera House includes 1,000 rooms. It is 185 meters long and
120 meters wide. The building's roof sections weigh about 15 tons. Each year, this fantastic building
attracts 200,000 tourists to come for a visit or enjoy events in it.
The Opera House reaches out into the harbour (港湾). It is amazing and unforgettable, offering
people a strong sense of beauty.
1. The designer of the Sydney Opera House was from _____.
A. America
B. Australia
C. England
D. Denmark
2. Building the Sydney Opera House lasted _____.
A. from 1959 to 1973
B. from 1962 to 1973
C. from 1959 to 1967
D. from 1962 to 1967
3. The underlined word "construction" means _____ in Chinese.
A. 创立
B. 设计
C. 施工
D. 竣工
4. _____ paid for the cost of the building of the Sydney Opera House.
A. Utzon
B. The public
C. Queen Elizabeth II
D. The government
5. Which is the best title for the passage?
A. Sailing Roof
B. Travelling in Sydney
C. The Sydney Opera House
D. The Opening of the Opera House