Thedoctormustalwayspassingondiseasetohisfamily．（）A.guardagainstB.worryaboutC.standforD.protectagainst
The doctor must always _____ passing on disease to his family．（ ）
A. guard against
B. worry about
C. stand for
D. protect against
guard against预防；worry about 担心；stand for代表；protect against保护．根据句意：医生必须时刻预防把疾病传给他的家人，故选A．
英语翻译I'dliketophoneEastleigh,that'sE-A-S-T-L-E-I-G 2020-05-13 …
英语单词接力.c→s→m→m→s→p→a→s→t→l 2020-05-17 …
设有关键码序为(Q,G,M,Z,A,N,B,P,X,H,Y,S,T,L,K,E),采用二路归并排序法 2020-05-23 …
(14)设有关键码序列(Q,G,M,Z,A,N,B,P,X,H,Y,S,T,L,K,E),采用堆排序 2020-05-23 …
设有关键码序为(Q,G,M,Z,A,N,B,P,X,H,Y,S,T,L,K,E),采用二路归并排序法 2020-05-23 …
设有关键码序列(Q,G,M,Z,A,N,B,P,X,H,Y,S,T,L,K,E),采用二路归并排序法 2020-05-24 …
设有关键码序列(Q,C,M,Z,A,N,B,P,X,H,Y,S,T,L,K,E),采用二路归并排序法 2020-05-24 …
设有关键码序列(Q, G, M, Z, A, N, B, P, X, H, Y, S, T, L, 2020-05-24 …
设有关键码序列(O, G, M, Z, A, N, B, P, X, H, Y, S, T, L, 2020-05-24 …
拉普拉斯变换：l｛tsin5t｝=?已知：l｛t｝=1/s^2,l｛sinwt｝=w^2/s拉普拉 2020-06-12 …