【单选题】【消耗次数：1】
The monument(里程碑) was built in honor of the explorer who was believed________the river.
①
to have discovered
②
to have been discovered
③
to discover
④
having been discovered
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相关题目
【单选题】
13.The monument(里程碑) was built in honor of the explorer who was believed ____the river.
①
to have discovered
②
to have been discovered
③
to discover
④
having been discovered
【单选题】
As I knew him better, I discovered that my____ had been right.
①
enjoyment
②
improvement
③
impression
④
environment
【单选题】
—Who broke the window ? —Not me. It must have been ____ else.
①
someone
②
anyone
③
everybody
④
nobody
【单选题】
By using a system approach to health care, early ( )practitioners discovered acupuncture points.
①
Western
②
Southern
③
Northern
④
oriental
【单选题】
But the Swiss discovered long years ago that
constant warfare brought them ____suffering and
poverty.
①
anything but
②
nothing but
③
none other than
④
no more than
【单选题】
A: Have you ever been to Huangshan? B:[填空].
①
No. Twice
②
I went there twice
③
Yes. Twice
④
Yes. Ill go there next month
【单选题】
I hope ___ the little ___ I have been able to do has been of some use.
①
that; that
②
/; by which?
③
what; what
④
/; with which
随机题目
【单选题】
设某钢珠直径服从正态分布，（单位：mm），其中为未知参数，从刚生产出的一大堆钢珠中随机抽出9个，求得样本均值，样本方差。则的极大似然估计值为（）
①
31.06
②
③
0.98