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【单选题】
下列程序段 x=3; do{ y=x--; if(!y){printf("x");continue;} printf("#"); }while(1<=x<=2);A.
输出##
B.
输出##x
C.
死循环
D.
语法错
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【简答题】what is osmosis?
【单选题】Which of the following is true of osmosis?
A.
Osmosis only takes place in red blood cells
B.
In osmosis, water moves across a membrane from areas of lower solute concentration to areas of higher solute concentration
C.
In osmosis, solutes move across a membrane from areas of lower water concentration to areas of higher water concentration
D.
Osmosis is an energy-demanding or “active” process
【简答题】什么是固溶强化?什么是弥散强化?
【简答题】osmosis
【单选题】Osmosis is
A.
movement of solvent across a semipermeable membrane from an area where the hydrostatic pressure is high to an area where the hydrostatic pressure is low
B.
movement of solute across a semipermeable membrane from an area in which it is in low concentration to an area in which it is in high concentration
C.
movement of a solute across a semipermeable membrane from an area in which it is in high concentration to an area in which it is in low concentration
D.
movement of solvent across a semipermeable membrane from an area in which it is in low concentration to an area in which it is in high concentration
E.
movement of solvent across a semipermeable membrane from an area in which it is in high concentration to an area in which it is in low concentration
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