皮皮学，免费搜题
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搜题
【单选题】
下列语句正确的是 [ ]A.
三角形的一个外角等于两个内角之和
B.
三角形一条边上的中线分三角形为两个全等三角形
C.
线段中垂线上的任意一点到线段两个端点的距离相等
D.
有一个外角为钝角的三角形是钝角三角形
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皮皮学刷刷变学霸
举一反三
【简答题】Listen and choose thecorrect answer for each question.
【多选题】Thecorrect descriptions about the metabolic characteristics of skeletal muscles are
A.
s ynthesis and storage of muscle glycogen
B.
s ynthesis and storage of phosphocreatine
C.
R ed muscles consume less energy , while white muscles consume more energy .
D.
During vigorous exercise, glycolysis becomes domina nt.
E.
Fatty acid oxidation is usually the main way of energy supply .
【单选题】The singer _____ frustrated when she wasn't sure of thecorrect answer. [ ]
A.
may be
B.
used to
C.
used to be
D.
use to be