卸货前应检查外包装完整性，如检查货物封条、条码是否脱落、破损、纹理不清或存在凹凸、破裂现象。（）
参考答案：对
情景交际：根据上下文补全对话
A: Where's Tom?
B: He can't come to school.
A: What's 1 2 him?
B: He 3 4 5 and his temperature was above 41℃
A: I'm sorry 6 hear that. Did he go to 7 the doctor?
B: Yes.The doctor told him to stay 8 bed 9 two days.
A: I hope he feels 10 soon.
缺血性心脏病人非心脏手术麻醉的特点是什么？
