问题
单项选择题
混凝土外加剂固体含量试验,液体产品试样称量为()。
A.1.0000g~2.0000g
B.2.0000g~3.0000g
C.3.0000g~5.0000g
D.5.0000g~6.0000g
答案
参考答案:C
混凝土外加剂固体含量试验,液体产品试样称量为()。
A.1.0000g~2.0000g
B.2.0000g~3.0000g
C.3.0000g~5.0000g
D.5.0000g~6.0000g
参考答案:C
35.Applications put computers to pratical business (1) , but below the (2) it’s the heart of an operating system—the kernel that provides the technical wizardry to juggle multiple program, connect to networks and store (3) . A traditional kernal provides all the functions for applications. The kemal (4) memory, I/O devices and parcels out processor time. The kernel also supports security and fault (5) , which is the ablity to recover automatically when parts of the system fail. |
(3)
A.when
B.where
C.which
D.who