4.Evidence obtained from observation and experiment is often used to ______a scientific theory.
A.confirm
B.conclude
C.consult
D.confuse
解析:句意:从观察和试验中得到的证据常常被用来印证一个科学理论。A.验证;确认;B.得出结论;C.咨询,查阅;D.混淆。
答案:A5.Some parents are just too protective.They want to ______ their kids from every kind of danger,real or imagined.
A.spot
B.dismiss
C.shelter
D.distinguish
解析:shelter sb./sth.from sb./sth.为……提供保护,庇护;dismiss sb.from sth.解除,免职;distinguish A from B 辨别A与B。答案:C
6.Some of you may have finished unit one.______,you can go on to unit two. A.If you may
B.If you do
C.If not
D.If so
7.(2012河南实验中学月考)—Henry has been teaching English in Peking University for many years.
—It’s no ______he can speak Chinese so well and idiomatically. A.matter
B.doubt
C. problem
D.wonder
解析:考查句型习惯搭配。答语句意:——难怪他汉语说得那么好那么地道。It’s no wonder that 难怪,……不足为奇。There is no doubt that...无疑……;no problem 没问题;It doesn’t matter 没关系。
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