下列关于慢性胃炎的物理因子治疗哪项是不正确的()
A.超短波或短波
B.毫米波
C.压力治疗
D.紫外线治疗
E.间动电治疗
参考答案:C
—Did you return Fred's call?
—I didn't need to ________ I'll see him tomorrow.
A.though
B.unless
C.when
D.because
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