When is the time your cycle of body temperature is at its peak？ It is ______.
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If you have may concern about a new drag or its side effects, you can ask your doctor or pharmacist questions, or call the drug company for ______.
地下浅孔爆破采场，装药前应检查____，确认无浮石、无冒顶危险方可开始作业。
A 采场顶板
B 炮孔
C 采场底板
经有关部门批准，允许在煤矿矿井中使用的炸药称为____。
A 煤矿许用炸药
B 煤矿起爆器材
C 煤矿许用器材
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