李某,38岁。企业经理。宿有胸胃胀满。近日外出衣着单薄,感受风寒。周身酸痛,恶寒发热。
新病宜选()
A.支沟
B.内关
C.外关
D.液门
E.中渚
参考答案:C
The experiment shows that proper amounts of exercise ,if _______regularly, can improve our health.
A.being carried out
B.carrying out
C.carried out
D.to carry out
绘制平面图形时,应首先绘制()。
A.连接线段
B.已知线段
C.中间线段
D.基准线