砖墙灰缝宽度宜为(),且不应小于8mm,也不应大于12mm。
A. 9mm
B. 10mm
C. 11mm
D. 12mm
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Effective July st, all supply requests must be approved by a supervisor and ____in writing
A. advised
B. submitted
C. urged
D. complied
本工程室内台阶踏步宽度不宜小于()mm,踏步高度不宜大于150mm。
A. 200
B. 250
C. 300
D. 350
What is NOT mentioned as a way of contributing to the protection of the environment?
A. Collecting cans.
B. Educating people.
C. Attending events.
D. Recycling materials.
The session was crowded with directors and managers in_____of human resources departments
A. responsibility
B. charge
C. chance
D. duty