to begin or cause something to begin: ______
to begin or cause something to begin: ______
________, you must continue. A: Once you begin B: When you begin C: Once you will begin D: While you begin
________, you must continue. A: Once you begin B: When you begin C: Once you will begin D: While you begin
How to begin a topic? We can begin with __________.
How to begin a topic? We can begin with __________.
When will the sale begin The sale will begin from ______.
When will the sale begin The sale will begin from ______.
PL/SQL块由（ ）组成 A: DECLARE BEGIN END B: BEGIN END C: EXCEPTION BEGIN END D: DECLARE BEGIN EXCEPTION END
PL/SQL块由（ ）组成 A: DECLARE BEGIN END B: BEGIN END C: EXCEPTION BEGIN END D: DECLARE BEGIN EXCEPTION END
汇编语言中的“end begin”中的begin指的是______。
汇编语言中的“end begin”中的begin指的是______。
It is necessary that the meeting ____ at once. A: began B: begin C: begins D: will begin
It is necessary that the meeting ____ at once. A: began B: begin C: begins D: will begin
Not until a monkey is several years old ________ to exhibit signs of independence from its mother. A: it begin B: does it begin C: and begin D: beginning
Not until a monkey is several years old ________ to exhibit signs of independence from its mother. A: it begin B: does it begin C: and begin D: beginning
中国大学MOOC: 汇编语言中的“end begin”中的begin指的是______。
中国大学MOOC: 汇编语言中的“end begin”中的begin指的是______。
有两个优先级相同的进程P1和P2，各自执行的操作如下，信号量S1和S2初值均为0。试问P1、P2并发执行后，x、y的值各为多少？ P1： P2： begin begin y:=1; x:=1; y:=y+3; x:=x+5; V(S1); P(S1); z:=y+1; x:=x+y; P(S2); V(S2); y:=z+yend z:=z+x; end
有两个优先级相同的进程P1和P2，各自执行的操作如下，信号量S1和S2初值均为0。试问P1、P2并发执行后，x、y的值各为多少？ P1： P2： begin begin y:=1; x:=1; y:=y+3; x:=x+5; V(S1); P(S1); z:=y+1; x:=x+y; P(S2); V(S2); y:=z+yend z:=z+x; end