单项选择题

A．To indicate how climbers communicated.
B．To show that climbers enjoyed many comforts.
C．To show that modern telephones work at high altitudes.
D．To emphasize how small some equipment had become.
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单项选择题
A．Deposit some money in a hank.B．Read the lease carefully and sign it.C．Ask the landlord for a damage deposit.D．Sign the contract and pay a security deposit.
A．Deposit some money in a hank.
B．Read the lease carefully and sign it.
C．Ask the landlord for a damage deposit.
D．Sign the contract and pay a security deposit.
单项选择题
A．They try very hard to save money.B．They take part in the movement for more power.C．They put more of their energy into their business.D．They pay more attention to taking care of their families.
A．They try very hard to save money.
B．They take part in the movement for more power.
C．They put more of their energy into their business.
D．They pay more attention to taking care of their families.
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