问答题Judy plans to visit the National Gallery once each month in 2012 except in July and August when she plans to go three times each. A single admission costs $3.50, a pass valid for unlimited visits in any 3-month period can be purchased for $18, and an a

I’d prefer to go in August ______ in July.

Abut

Bexcept

Cnot

Drather than

"Got your plans for the weekend, Bill?" "Well, I had planned to go to London, but I _____ afford the train fare."

A、can

B、can't

C、may

D、might

Once the logic of a network is laid out, the project manager will conduct a forward pass and backward pass through the network. This will provide information on the _____ and identification of the _____ .

A.Slack for each activity, critical path.

B.Slack for each activity, high risk activities.

C.Manpower shortages, high risk activities.

D.High risk activities, non-critical paths.

E.Manpower availability, contingency plans.

The annual survey for endorsement of a Load Line Certificate must be held within ______.

A.the three month period immediately following the certificate's anniversary date

B.the three month period immediately preceding the certificate's anniversary date

C.three months either way of the certificate's anniversary date

D.the three month period centered on the certificate's anniversary date

When her brother was in prison，she____him every month.

A. had visited

B.visited

C. was visiting

D.visits

A. It automatically performs verification or evolves non-accepted plans, in COMPREHENSIVE mode when they perform better than existing accepted plans.

B. The optimizer always uses the fixed plan, if the fixed plan exists in the plan baseline.

C. It adds new, bettor plans automatically as fixed plans to the baseline.

D. The non-accepted plans are automatically accepted and become usable by the optimizer if they perform better than the existing accepted plans.

E. The non-accepted plans in a SQL plan baseline are automatically evolved, in COMPREHENSIVE mode, during the nightly maintenance window and a persistent verification report is generated.

All of the following statements about acceptance sampling are true except:

A . Acceptance sampling plans are beneficial when the cost of inspection is high and the resulting loss of passing nonconforming units is not great.

B . Acceptance sampling plans are necessary when destructive inspections are required.

C . Acceptance sampling plans are never effective at rejecting nonconforming units as 100 percent inspection, even when the inspection process is very tedious.

D . Acceptance sampling plans do not directly control the quality of a series of lots; they instead specify the risk of accepting lots of given quality.

E . Acceptance sampling plans are not very effective for inspecting small lots of custom-made products.