口腔探索成为重要的学习方式的年龄是()
A. 新生儿
B. 1岁前
C. 2~3岁
D. 3~4岁
若想了解有关城濮之战、崤之战、鄢陵之战等大战的详细情况,应该阅读哪一部著作?
A. 《春秋》
B. 《春秋左氏传》
C. 《国语》
D. 《战国策》
In the following vowels, are back vowels.
A. /ɑ:/
B. /ʌ/
C. /ɔ:/
D. /ɒ/
Which of the four business groups in the corporate portfolio matrix has high growth and high market share?
A. cash cow
B. stars
C. question marks
D. dogs