【判断题】【消耗次数：1】
A: What is your boyfriend like? B: He is tall and handsome.
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【单选题】
15.- _____ is your English teacher like? - He is tall and thin.
①
How
②
What
③
Which
④
/
【单选题】
15.–What’s your brother like? –He is____.
①
a driver
②
very tall
③
my friend
④
at school
【单选题】
-Whats your brother like?
-He is _________.
①
adriver
②
very tall
③
myfriend
④
atschool
【单选题】
-Whats your brother like?
-He is________ .
①
adriver
②
very tall
③
myfriend
④
atschool
【单选题】
A: What is an earthquake like? B: [填空].
①
Very interested
②
Very danger
③
Very strange
④
Very well
【单选题】
A: What does your father do? B: [填空].
①
He is cleaning the street
②
He is fifty
③
He is a worker
④
He is all right
【单选题】
He said he would never be intimidated _____ what he didn’t like by big names and authorities.
①
do
②
to do
③
did
④
into doing
【单选题】
A: What would you like, sir? B: [填空].
①
Two cups of coffees
②
Two coffees
③
Two cup of coffee
④
Two cups coffee
随机题目
【判断题】
已知<img class=jc-formula data-tex=\left( \begin{ matrix } 2 -2 0 \\ -2 1 -2 \\ 0 -2 x \end{ matrix } \right) src=https://huaweicloudobs.ahjxjy.cn/53459D91D929C47CDC4C1DE109390C88.png style=vertical-align: middle;/>与<img class=jc-formula data-tex=\left( \begin{ matrix } 1 0 0 \\ 0 y 0 \\ 0 0 -2 \end{ matrix } \right) src=https://huaweicloudobs.ahjxjy.cn/6107E2BD6522BC96E32B09D3FBEBF1D9.png style=vertical-align: middle;/>相似，则<img class=jc-formula data-tex=y=0 src=https://huaweicloudobs.ahjxjy.cn/9473FAF0AD848CF40CB436C841289FF9.png style=vertical-align: middle;/>.
①
正确
②
错误
【判断题】
设<img class=jc-formula data-tex={ \lambda }_{ 1 },{ \lambda }_{ 2 } src=https://huaweicloudobs.ahjxjy.cn/3B77BCB68553957CF9B618ADB82B1590.png style=vertical-align: middle;/>是对称矩阵A的两个特征值，<img class=jc-formula data-tex={ p }_{ 1 },{ p }_{ 2 } src=https://huaweicloudobs.ahjxjy.cn/7FC0A6EF668DDCB8284B647FBD79194C.png style=vertical-align: middle;/>是对应特征向量.若<img class=jc-formula data-tex={ \lambda }_{ 1 }\neq { \lambda }_{ 2 } src=https://huaweicloudobs.ahjxjy.cn/ED1834F069B48BDE9734325380FADEA3.png style=vertical-align: middle;/>，则<img class=jc-formula data-tex={ p }_{ 1 }与{ p }_{ 2 } src=https://huaweicloudobs.ahjxjy.cn/39C2CE943794B9236AFD7465F439A8F2.png style=vertical-align: middle;/>正交.
①
正确
②
错误
【判断题】
方阵<img class=jc-formula data-tex=A src=https://huaweicloudobs.ahjxjy.cn/53F870B8D448BB3DB08A67264B6329F9.png style=vertical-align: middle;/>为正定矩阵的充分必要条件是<img class=jc-formula data-tex=\left| A \right| 0 src=https://huaweicloudobs.ahjxjy.cn/DBE8616A06F472EBFA8EB23B1397DD7E.png style=vertical-align: middle;/>.
①
正确
②
错误
【单选题】
设实对称矩阵A与<img class=jc-formula data-tex=B=\left( 1\\ \quad -1\\ \quad \quad \quad \quad 2 \right) src=https://huaweicloudobs.ahjxjy.cn/7CB965620B299C6123F4B16A287A87F0.png style=vertical-align: middle;/>相似，则<img class=jc-formula data-tex=R(A+E)= src=https://huaweicloudobs.ahjxjy.cn/B66E22C1263ED78BC6EE251587E47AEF.png style=vertical-align: middle;/>[填空].
①
1
②
2
③
3