Joe is ____________ about baseball. He always play baseball at<br/>weekends A: passionate B: considerate C: classatemate D: moderate

Michael Jordan once played baseball.

中国大学MOOC: I ___________ playing tennis and baseball.

Where do often little boys play baseball？They play baseball in parks and （）.

Suppose Jim and Tom can both produce baseball bats. If Jim’s opportunity cost of producing baseball bats is lower than Tom’s opportunity cost of producing baseball bats, then A: Tom must have an absolute advantage in the production of baseball bats. B: Jim must have an absolute advantage in the production of baseball bats. C: Tom has a comparative advantage in the production of baseball bats. D: Jim has a comparative advantage in the production of baseball bats.

BASEBALL is a word for _______.

Some people like playing football while_____ enjoy playing baseball.

2A. We went to our first baseball game. It was very slow.B. We went to our first baseball game, it was very slow.C. We went to our first baseball game, and it was very slow.

That baseball ______ is hired to coach the adolescent players on a<br/>baseball team. A: spice B: eyesore C: veteran D: vibration

中国大学MOOC: Suppose Jim and Tom can both produce baseball bats. If Jim’s opportunity cost of producing baseball bats is lower than Tom’s opportunity cost of producing baseball bats, then