A、 The development of cement.
B、 The use for cement.
C、 Various construction material.
D、 Cement-production countries.

【正确答案】 A

【答案解析】解析：显然，本篇短文讲的是水泥的发展历程。

A、 An Egyptian.
B、 An ancient Roman.
C、 A bricklayer.
D、 An architect.

【正确答案】 C

【答案解析】解析：从“an English bricklayer developed a cement”可知。

A、 In a kitchen.
B、 In a stone quarry.
C、 In a chemistry laboratory.
D、 In a clay pit.

【正确答案】 A

【答案解析】解析：从“While experimenting in his kitchen．”可知。

A、 As a water-based paste.
B、 As a liquid.
C、 In stone-size blocks.
D、 In powdered form.

【正确答案】 D

【答案解析】解析：从“When this substance was ground into a fine powder it could be stored indefinitely．”可知水泥是以粉末状贮存的。

A、 It is available in finer grades.
B、 It can be stored for twice as long.
C、 It hardens much faster.
D、 It is essentially the same.

【正确答案】 D

【答案解析】解析：从“Witll only a few variations，this is how cement is made today．”可知二者基本上一样。