【判断题】【消耗次数：1】
He enjoys?playing?football.
①
正确
②
错误
参考答案：
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相关题目
【单选题】
Tom is in favor of going to the movies; Jack insists on playing football.
①
while
②
meanwhile
③
when
④
at the same time
【单选题】
— David injured his leg playing football yesterday.— Really? ______?
①
Who did that
②
Whats wrong with him
③
How did that happen
④
Why was that
【单选题】
The boy has admitted to ____ the window while
playing football yesterday.
①
breaking
②
having been broken
③
break
④
be breaking
【单选题】
The boy has admitted to _____the window while playing football yesterday.
①
breaking
②
having been broken
③
break
④
be breaking
【单选题】
A: David injured his leg playing football yesterday. B: Really? [填空]
①
Who did that?
②
hats wrong with him
③
How did that happen
④
Why was he so careless?
【单选题】
18. Some students like to play_____ piano, while others like to play _____ football.
①
the, /
②
/, the
③
the, the
④
. the, a
【单选题】
Of swimming and football he much preferred _____.
①
later
②
the later
③
former
④
the former
【简答题】
Direction: Fill in the blanks with the words given below. Change the form if necessary.[privilege; component; stagnant; entangle; superficial; arresting; expound; penetrating; indulge; click]6. He returned to Ohio so that he could[填空1]his passion for football.
【单选题】
As a ( ) student, he enjoys many conveniences and resources which are only wild wishes for other average ones.
①
tip
②
tap
③
top
④
pat
随机题目
【单选题】
设<img class=jc-formula data-tex=X\sim N(\mu ,{ \sigma }^{ 2 }) src=https://huaweicloudobs.ahjxjy.cn/D44F0120779583142A69C24868B5C1F6.png style=vertical-align: middle;/>,则下列关于<img class=jc-formula data-tex=P(|X-\mu |\le k\sigma ) src=https://huaweicloudobs.ahjxjy.cn/67EE95446536DB9CFCF8AE44C1E8B8C7.png style=vertical-align: middle;/>的表述正确的是
①
仅与<img class=jc-formula data-tex=\mu src=https://huaweicloudobs.ahjxjy.cn/76B82DDD82B6A5E433B15031AB645605.png style=vertical-align: middle;/>有关
②
仅与σ有关
③
仅与k有关
④
与<img class=jc-formula data-tex=\mu src=https://huaweicloudobs.ahjxjy.cn/76B82DDD82B6A5E433B15031AB645605.png style=white-space: normal; vertical-align: middle;/>，k均无关
【单选题】
设连续型随机变量X的分布函数为F(x)=A+Barctan x，则常数A和B分别为（ ）
①
1/2, 1/π
②
1/4, 1/2
③
1/2, 1/4
④
1/π, 1/π
【单选题】
设二维随机变量(X,Y)只取下列数组中的值：（0，0）（-1，1）（-1，1/3）（2，0）且相应概率依次为1/6，1/3，1/12，5/12，则E(X+Y)=（ ）
①
7/9
②
3/7
③
5/6
④
10/9
【单选题】
设连续型随机变量X的分布函数为F(x)=A+Barctan x，则常数A和B分别为（ ）
①
1/2, 1/π
②
1/4, 1/2
③
1/2, 1/4
④
1/π, 1/π
【单选题】
设二维随机变量（X，Y）的分布律为<img src=https://huaweicloudobs.ahjxjy.cn/D5F8A330116E2722ED7C918300344FC5.png style=vertical-align: middle;/>则P{Y=1}=（ ）
①
0.3
②
0.4
③
0.7
④
0.8