单项选择题

A．By passing steam over dry ice.
B．By turning ordinary ice into steam.
C．By heating dry ice.
D．By mixing dry ice with ordinary ice.
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单项选择题
A．To make the woman angry.B．To please the man’ s mother.C．David is the man’s good friendD．David is good at carrying on conversations.
A．To make the woman angry.
B．To please the man’ s mother.
C．David is the man’s good friend
D．David is good at carrying on conversations.
单项选择题
A．She wants to read them and relax.B．She wants to take them on holiday this weekend.C．She enjoys reading and can’t live without hooks.D．She wants to look for some information.
A．She wants to read them and relax.
B．She wants to take them on holiday this weekend.
C．She enjoys reading and can’t live without hooks.
D．She wants to look for some information.
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