四六级考试

【单选题】 We could go to a concert _________ you'd prefer to visit a museum..
A．if
B．because
C．unless
D．since

【单选题】 Which of the following statements best describes a laser
A．A device for stimulating atoms and molecules to emit light.
B．An atom in a high-energy state.
C．A technique for destroying atoms or molecules.
D．An instrument for measuring light waves.

【单选题】 ______ will come and lend us a helping hand on such an awkward occasion
A．Do you suppose who
B．Who do you think
C．Whom do you suppose
D．Whom do you think

【单选题】 The sales department was required In ______ a plan in three weeks.
A．turn up
B．get up
C．come up with
D．put up with

【单选题】 适用于母子公司预提所得税的抵免的方法是 ( )。
A．总额抵免法
B．累进抵免法
C．直接抵免法
D．间接抵免法