沙眼衣原体肺炎临床特点,正确的是()
A.青霉素有特效
B.起病急
C.高热
D.肺实变体征
E.6个月以内婴儿多见
参考答案:E
用所给单词适当形式填空。
1. He often ______(get) up early.
2. ______(be) there a bank near the video store?
3. I met two ______(Canada) cousins in China.
4. I can't ______(find) my backpack.
5. Could you go ______(shop) with me?
五类UTP电缆用来支持的带宽要求达到100MHz的应用,超五类电缆的传输率为100MHz,六类双绞线电缆支持的带宽为250MHz,七类电缆支持的带宽可以高达()MHz。