The teacher said that doubt ____ the key

题型:选择题

问题:

The teacher said that doubt ____ the key of knowledge.

A. were
B. are
C. was
D. is
考点:直接引语与间接引语一般现在时主谓一致
题型:选择题

将x+y*z中的“+”用成员函数重载,“*”用友元函数重载应写为【 】。

题型:选择题
请阅读下面短文。根据短文内容从下面方框内的七个选项中,选择五个还原到文中,使短文意思通顺、结构完整。
    
     1. ______ It has around 3 billion fans-nearly half the world's population! And about 300 million
people play this game. That's 4 percent of the world' s population! 
     2. ______ Many people in old days played early forms (形式) of this modern game. Cu ju (蹴鞠), a
ball-kicking game in China, was reported as early as 2,500 B.C. Around the same time in Greece, people
were also playing a similar ball game without using their hands.
     But modern soccer didn't become official (官方的) until 1863. An Englishman called Cobb Morley
introduced the idea of a soccer association (联盟). 3. _______ From then on, other associations in the
countries were set up. They came together-to make up the FIFA, which organizes the World Cup.
     It's not easy to tell what makes soccer so popular. 4. ______ Soccer needs only two feet and a ball.
This makes it a sport that developing countries can easily play. Some of the sport' s best players come from
these poor nations. 
     5. _____ The sport's no-hands rule makes beautiful dance-like movements on the field. What's more,
this sport excites the heart. Teams might score only a few times each match, so matches can turn around
suddenly.
     No one knows who will win at the next World Cup. But one thing is certain: The world will be watching.
A. He also wrote the sport's official rules.
B. Soccer is the world's favorite sport.
C. Playing soccer is good for your health.
D. But one reason is how simple the sport is.
E. People love soccer as well as their countries.
F. It's hard to say where soccer's birthplace is.
G. Soccer performances are pleasing to the eyes.
题型:选择题

He forbids his children ____________ sweets because they do harm to their teeth.

A.eating

B.not eating

C.to eat

D.not to eat

题型:选择题

在Excel中,若单元格C1中的公式为=A1+B2,将其复制到单元格C5,则C5中的公式是 (55)

A.=A1+B2
B.=A5+B6
C.=A5+B2
D.=A1+B6

题型:选择题

阳明腑实之黑苔与肾水枯竭之黑苔如何鉴别?

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