英译汉:“Phytosanitary Certificates”,正确的翻译为( )。
A.动物检疫证书
B.植物检疫证书
C.动物检验证书
D.动物检疫证书
参考答案:B
_______ the secret of nature, the young scientist has little time for entertainment.
A.Devoted to bring out
B.Devoted himself to bringing out
C.Devoted to bringing out
D.Devoting to bring out
高应变检测单桩轴向抗压承载力时,采用自由落锤为激振设备,宜重锤低击,锤的最大落距不宜大于( )m。
A.0.5
B.1
C.2
D.3