原式=33-2×32+4-(3-1),
=33-3+4-3+1,
=3+5.
An earthquake shook the city last night and hundreds of houses .
A.gottodamage
B.gotdamaged
C.gotdamage
D.gotdamaging
技术信息或者经营信息必须具备下列哪些要件,才能构成反不正当竞争法所称的商业秘密()?
A.不为公众所知悉
B.具有实用性
C.权利人对其采取了保密措施
D.能为权利人带来经济利益