—What's your plan for the summer holidays?—I'll go to Beijing _______ the school terms ends.
A：in order that
B：so that
C：as soon as
D：even though
I can't enter the room because the k____ to the door is lost.
为保护领土安全，国家在钓鱼岛周边海域部署了航母；当舰载直升机起飞后，舰体会略微上浮一些，舰艇底受到海水的压强将____，舰艇受到的浮力____(均选填“变大”“不变”或“变小”)。
