单项选择题

A．It increased the students’ white blood cell amount.
B．It increased some students’ energy level.
C．It improved the students’ ability to play musical instruments.
D．It released a natural painkiller in some students’ bodies.
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单项选择题
A．Prices for farm products rose. B．Farmers became more dependent on loans from banks. C．Jefferson established government programs to assist farmers. D．Farmers relied less on foreign markets.
A．Prices for farm products rose.
B．Farmers became more dependent on loans from banks.
C．Jefferson established government programs to assist farmers.
D．Farmers relied less on foreign markets.
单项选择题
A．The woman has lost David’s phone number. B．The man wants to install a phone. C．David will keep his promise. D．David hasn’t sent the man his phone number.
A．The woman has lost David’s phone number.
B．The man wants to install a phone.
C．David will keep his promise.
D．David hasn’t sent the man his phone number.
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