带土球苗装运时，苗高不足2m者可立放；苗高2m以上的应使土球在前，梢向后，呈斜放或平放，并用木架将树冠架稳。土球直径小于200mm的，可装（）层。 ["1-2","2-3","3-4","4-5"]
The cisco telepresence portfolio provides industry-leading video-conferencing solutions , how does the Cisco acquisition of tandberg strengthen its position？（） ["it will give cisco products A strategic advantage by providing privileged access to the TIP","it enables cisco to eliminate product redundancies and improve margins","it provides cisco with its first high-end telepresence offering","it allows cisco to quickly broaden its product portfolio to better serve customer need"]
下列条约中，对英国打击最大，对美国最为有利的是（）。 ["四国条约","五国海军条约","九国条约","凡尔赛和约"]
蔡某，胸外伤，右4一7肋骨骨折，呼吸极度困难、发绀、出冷汗。检查见BP65/40mmHg，右胸饱满，气管移向左侧，叩诊鼓音，颈、胸部有皮下气肿，处理应首选（） ["输血、输液","胸腔穿刺减压排气","立即开胸手术","气管插管辅助呼吸","应用抗生素"]
无坝取水口一般设臵在河道的凸岸。
造林整地
