大学英语基础题 请大侠们解答

大学英语基础题 请大侠们解答
第43题 (2.0) 分 The water will be further polluted unless some measures（） .
A、will be taken
B、are taken
C、were taken
D、had been taken
第44题 (2.0) 分 The room was so quiet that she could hear the（） of her heart.
A、hitting
B、beating
C、hurting
D、striking
第45题 (2.0) 分 “Are you ready for your paper?” “Not yet.I need（） to read through it.”
A、other three minutes
B、another three minutes
C、three other minutes
D、more three minutes
第46题 (2.0) 分 In today’s newspaper,it（） that there will be strong wind this afternoon.
A、tells
B、writes
C、records
D、says
第47题 (2.0) 分 I like spring.I hope good weather will（） .
A、go on
B、stay
C、keep
D、continue
第48题 (2.0) 分 You can not see the doctor（） you have made an appointment with him.
A、except
B、unless
C、even
D、however
第49题 (2.0) 分 I got a letter from my sister,（） me that she would visit us next month.
A、tells
B、told
C、telling
D、to tell
第50题 (2.0) 分 “Can I help you?” “Well,I’m afraid the box is too heavy for you,( ) thank you all the same.”
A、and
B、so
C、or
D、but