Itisobviousthatthesesmallbusinessesare______needoftechnicalsupport.
A)inB)onC)withD)to
A)inB)onC)withD)to
举一反三
- Recyclingwastesslowsdowntherate________whichweuseuptheEarth’sfiniteresources.A)InB)ofC)withD)at
- 24、在纯Ge中掺入下列( )元素,Ge将变为p型半导体。A、InB、SiC、BrD、N
- 下面哪些是在反转录病毒中发现的基因?() A: gag B: pol C: env D: onc
- A survey is now being ________ nationwide.A) carried inB) carried toC) carried outD) carried away A: carried in B: carried to C: carried out D: carried away
- 下列选项中,不属于射频识别技术(RFID)的系统逻辑结构组成的是()。 A: EPC标签 B: ONC服务器 C: Savant中间件 D: EPCIS