【C13】A．observedB．observableC．detectedD．detectible

【C13】A．organizationalB．organizationC．organizingD．organized

We were deeply impressed by her important ______ to the success of the project.A．workB．det

In automatic ____ the winch may be overhauled and wire is paid off the barrel at a pre-det

【B15】A．observedB．examinesC．studyD．questioned

We were deeply impressed by her important ______ to the success of the project.A.workB.det

SEV/OCC/DET均有()个评分等级。