皮皮学，免费搜题
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【多选题】
各用户可以使用相同频率载波发送信息的多路复用技术是A.
TDM
B.
CDM
C.
FDM
D.
WDM
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】—I hear Jim is going t o _________ at the school meeting. —Do you know what he is going to ________ ?
A.
say, talk
B.
say , speak
C.
speak, say
D.
talk , speak
【单选题】I hear Jim is going to ______ at the meeting. Do you know what he is going to ______? [ ]
A.
say, talk
B.
say, speak
C.
speak, say
D.
talk, tell
【单选题】Jim and Li Lei __________ the football match this evening.
A.
will be going to watch
B.
will going to watch
C.
are going to watch
D.
will go to be
【单选题】用于前磨牙弯制卡环的不锈钢丝宜选用
A.
直径1.4mm(17号)
B.
直径1.2mm(18号)
C.
直径0.9mm(20号)
D.
直径0.8mm(21号)
E.
直径0.6mm(23号)
【简答题】张拉钢筋直径为5~()mm,张拉后的钢筋,每一定间隔用锚具同定在()内。预应力钢丝接头应采用18~20号钢丝,并密排(),其搭接长度不应小于()mm。
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