问题
单项选择题
建设工程材料的储备量,主要有材料的供应方式和现场条件决定的,一般应保持()的用量。
A.20d
B.30d
C.35d
D.40d
答案
参考答案:C
建设工程材料的储备量,主要有材料的供应方式和现场条件决定的,一般应保持()的用量。
A.20d
B.30d
C.35d
D.40d
参考答案:C
选词填空,并注意词形变化。 | |
2. The windows came from old buildings that were being _____. 3. The roof is _____ discarded tiles. 4. She recently _____ from the Help Save Our Planet Society. 5. She sold them to _____ for the Children's Hospital. |