混凝土养护时,新旧混凝土接合面应在浇筑前对该面预热至()℃以上。
A.10
B.15
C.5
D.3
参考答案:C
以下哪项技术是胰腺疾病的首选检查方法()
A.CT
B.B-US
C.X-ray
D.核医学
E.MRI
A. give a friend a rideB. adopt a new hobbyC. feel less out of controlD. learn a new set of skillsE. need each other to surviveF. take some time to exerciseG. weigh down hard on one’s family life
When times are tough people should still remember to ______.