多个Activity之间的跳转的方法是（）。

A:Activity（Intent） B:startActivityForResult（Intent，string） C:startActivity（Intent） D:startActivityForResult（Intent，int）

For an activity, the optimistic, most likely and pessimistic estimates are 12, 16 and 18 respectively. Which of the following statement is correct

A:There is 68.26% chance that the activity will be completed in 15 to 17 days. B:There is 95.44% chance that the activity will be completed in 15 to 17 days. C:There is 68.26% chance that the activity will be completed in 14.67 to 16.67 days. D:There is 93.73% chance that the activity will be completed in 15 to 17 days.

Activity duration estimate inputs include all of the following EXCEPT （）.

A:resource requirements B:projeet document updates C:activity lists D:constraints

As one of the tools and techniques of activity sequencing, a lead （）.

A:directs a delay in the successor activity B:could be accomplished by a finish to-start relationship with a delay time C:means the successor activity cannot start until after the predecessor is completed D:allows an acceleration of the successor activity

In your project, some requested changes were generated from the activity definition process. These changes will be processed through ______ .

A:activity change control system B:corrective action C:integrated change control system D:activity sequencing

Project schedule management is made up of six management processes including:activity definition,activity sequencing（）and schedule control by order.

A:activity duration estimating,schedule developing,activity resource estimating B:activity resource estimating,activity duration estimating,schedule development C:schedule developing,activity resource estimating,activity duration estimating D:activity resource estimating,schedule developing,activity duration estimating

Project schedule management is made up of six management processes including: activity definition, activity sequencing,（）, and schedule control by order.

A:activity duration estimating, schedule developing, activity resource estimating B:activity resource estimating, activity duration estimating, schedule development C:schedule developing, activity resource estimating, activity duration estimating D:activity resource estimating, schedule developing, activity duration estimating

Project schedule management is made up of six management processes including: activity definition, activity sequencing, ( 71) , and schedule control by order．

A:activity duration estimating, schedule developing, activity resource estimating B:activity resource estimating, activity duration estimating, schedule development C:schedule developing, activity resource estimating, activity duration estimating D:activity resource estimating, schedule developing, activity duration estimating