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【单选题】
生活世代交替的原生动物是：（）。A.
有孔虫
B.
太阳虫
C.
放射虫
D.
砂壳纤毛虫
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】____是我国已知最早使用夯土的实例。
【单选题】When traveling solo, you have to be ___________ with change, be prepared to eat strange foods and sleep in strange places.
A.
comfort
B.
comforting
C.
comforted
D.
comfortable
【简答题】When traveling solo, you have to be (comfort) _________ with change, be prepared to eat strange foods and sleep in strange places.
【单选题】Tips for the Solo Traveler When it comes to traveling, sometimes taking a journey alone can be great. Traveling solo allows for a time of introspection (内省), relaxation and self-discovery, when you ca...
A.
freely
B.
alone
C.
on vocation
D.
to Prague
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