皮皮学，免费搜题
登录
搜题
【简答题】
从光在光纤中的传输模式分,光纤主要有两大类,即___________光纤和_____________光纤。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Nicole owns a small pottery factory. She can make 1,000 pieces of pottery per year and sell them for €100 each. It costs Nicole €20,000 for the raw materials to produce the 1,000 pieces of pottery. Sh...
A.
€30,000.
B.
€35,000.
C.
€75,000.
D.
€70,000.
【单选题】If I ______ out of ink, I might have finished writing the paper.
A.
hadn’t run
B.
shouldn’t run
C.
didn’t run
D.
haven’t run
【单选题】There is a small company which owns only 10 staff.Which type of network does the company make?
A.
LAN
B.
WAN
C.
MAN
D.
Internet
【简答题】A．To introduce the woman to someone who has researched blushing. B．To illustrate the benefits of a public speaking class. C．To give an example of someone who blushes easily. D．To explain a way to over...
【简答题】A．To introduce the woman to someone who has researched blushing. B．To illustrate the benefits of a public-speaking class. C．To give an example of someone who blushes easily. D．To example a way to over...
【简答题】n. someone who has died, esp. recently 死者, 已故者
【单选题】If I ___ __ out of my ink, I would have finished writing the composition.
A.
didn’t run
B.
should’t have run
C.
hasn’t run
D.
hadn’t run
相关题目：