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【简答题】
Can I suggest _________ at our office, say, at the end of the month?
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举一反三
【单选题】Why do we need to design tasks to supplement the textbook?
A.
Textbooks are usually not well written
B.
Textbooks need adaptations to fit the needs of their target students
C.
Textbooks don ’ t have enough exercises
D.
Textbooks only cover a limited amount of language e skills
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【单选题】We need to complete the construction ______ is two million dollars.
A.
all what
B.
that all
C.
that
D.
what
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【单选题】Without facts,we cannot form a worthwhile opinion,for we need to have factual knowledge ______ our thinking.
A.
upon which to base
B.
which to be based on
C.
which to base on
D.
to which to be based on
查看完整题目与答案
【单选题】When we apply the t-test, we need to know that
A.
a t-test statistics can never be negative
B.
a t-test only applies to two-tailed test
C.
the degree of freedom is not that important when the number of observations is large
D.
a t-distribution is not identical to a standard normal distribution when the sample size goes to infinity
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【单选题】Without facts,we can't form a correct opinion, for we need to have actual knowledge___________ our thinking. [     ]
A.
which to be based
B.
which to base on
C.
on which to base
D.
where to base on
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【单选题】一个原动件的自由度应为____。
A.
0
B.
1
C.
2
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【单选题】We need to feel more for what we have instead of complaining what we don't.
A.
regret
B.
grateful
C.
offer
D.
break
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【判断题】若反应的半衰期是一常数，则该反应一定是一级反应。
A.
正确
B.
错误
查看完整题目与答案
【单选题】计算下图所示各机构的自由度,若有复合铰链、局部自由度或虚约束应明确指出,并判断机构的运动是否确定,(图中绘有箭头的构件为原动件)。
A.
有一个局部自由度，一个虚约束， F=3 × 4 － 2 × 4-1=1 因为自由度不等于原动件个数，所以没有确定的相对运动。
B.
有一个局部自由度，一个复合铰链， F=3 × 4 － 2 × 4-1=1 因为自由度不等于原动件个数，所以没有确定的相对运动。
C.
有一个局部自由度，一个虚约束， F=3 × 4 － 2 × 4-2=2 因为自由度等于原动件个数，所以有确定的相对运动。
D.
有一个虚约束， F=3 × 4 － 2 × 4-2=2 因为自由度等于原动件个数，所以有确定的相对运动。
查看完整题目与答案
【简答题】There are many things we need to know, but we do not learn them at school. For example, if we want to use our money wisely, we need to shop carefully. We need to know how to compare(比较) the prices of ...
查看完整题目与答案
相关题目：
【单选题】Why do we need to design tasks to supplement the textbook?
A.
Textbooks are usually not well written
B.
Textbooks need adaptations to fit the needs of their target students
C.
Textbooks don ’ t have enough exercises
D.
Textbooks only cover a limited amount of language e skills
查看完整题目与答案
【单选题】We need to complete the construction ______ is two million dollars.
A.
all what
B.
that all
C.
that
D.
what
查看完整题目与答案
【单选题】Without facts,we cannot form a worthwhile opinion,for we need to have factual knowledge ______ our thinking.
A.
upon which to base
B.
which to be based on
C.
which to base on
D.
to which to be based on
查看完整题目与答案
【单选题】When we apply the t-test, we need to know that
A.
a t-test statistics can never be negative
B.
a t-test only applies to two-tailed test
C.
the degree of freedom is not that important when the number of observations is large
D.
a t-distribution is not identical to a standard normal distribution when the sample size goes to infinity
查看完整题目与答案
【单选题】Without facts,we can't form a correct opinion, for we need to have actual knowledge___________ our thinking. [     ]
A.
which to be based
B.
which to base on
C.
on which to base
D.
where to base on
查看完整题目与答案
【单选题】一个原动件的自由度应为____。
A.
0
B.
1
C.
2
查看完整题目与答案
【单选题】We need to feel more for what we have instead of complaining what we don't.
A.
regret
B.
grateful
C.
offer
D.
break
查看完整题目与答案
【判断题】若反应的半衰期是一常数，则该反应一定是一级反应。
A.
正确
B.
错误
查看完整题目与答案
【单选题】计算下图所示各机构的自由度,若有复合铰链、局部自由度或虚约束应明确指出,并判断机构的运动是否确定,(图中绘有箭头的构件为原动件)。
A.
有一个局部自由度，一个虚约束， F=3 × 4 － 2 × 4-1=1 因为自由度不等于原动件个数，所以没有确定的相对运动。
B.
有一个局部自由度，一个复合铰链， F=3 × 4 － 2 × 4-1=1 因为自由度不等于原动件个数，所以没有确定的相对运动。
C.
有一个局部自由度，一个虚约束， F=3 × 4 － 2 × 4-2=2 因为自由度等于原动件个数，所以有确定的相对运动。
D.
有一个虚约束， F=3 × 4 － 2 × 4-2=2 因为自由度等于原动件个数，所以有确定的相对运动。
查看完整题目与答案
【简答题】There are many things we need to know, but we do not learn them at school. For example, if we want to use our money wisely, we need to shop carefully. We need to know how to compare(比较) the prices of ...
查看完整题目与答案