篆书即是一种书体也是一种字体。
参考答案：错
—What is that noise?
—Oh,I forgot to tell you that the new machine .
A．was tested
B．will be tested
C．is being tested
D．has been tested
AIDS患者外用血中CD4／CD8比值一般是（）
A.＞2.5
B.＞2.0
C.＞1.5
D.＞1.0
E.＜1.0
