Cloze passage นี้นำมาจากข้อสอบ 7 วิชาสามัญที่สอบไปเมื่อวันอาทิตย์ที่ 6 มกราคม 2556
Scientists have known for a while ____1____ most new parents that babies and small children are phenomenally quick on the uptake. ____2____ of their time systematically exploring the world through trial and error, and they grasp ____3____ seem like complex concepts very quickly. Babies, we know, have an intuitive grasp of probability. In one experiment, researchers showed babies a box filled mostly with white balls and a few red ones, then drew out a sample of balls and showed it to the baby. If the sample was mostly red balls, the baby looked longer at it than ____4____ mostly white balls. The infant knew that drawing several red balls out of the bin was unlikely, and therefore noteworthy. Toddlers, multiple experiments have shown, can test hypotheses about how machines work—for example, they can ____5____ which blocks made a machine play when some but not all blocks trigger the toy.
