什么叫冰塞？
参考答案：
冰塞是在热力膨胀问或毛细管节流装置等部分，发生水分结冰面形成堵塞现象
Keep yourself confidence up by taking gradual steps forwards, rather than freezing, when ______ with what seems like great trouble.
A．to face
B．face
C．facing
D．faced
Sometimes our hobbies can _______ schoolwork .
A．get in the way
B．get in the way of
C．get in the way in
D．get in the way to
