【单选题】【消耗次数：1】
Of the six people in the plane when it crashed, only one _____ . Everyone else died.
①
emerged
②
survived
③
existed
④
escaped
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相关题目
【单选题】
Only when one is ______ of one’s getting behind is one more likely to catch up.
①
critical
②
aware
③
visual
④
effective
【单选题】
Only when we landed______ how badly the plane had been damaged.
①
we realized
②
did we realize
③
had we realized
④
we had realized
【单选题】
—How many people are there in Changsha?—About six ______.
①
million
②
millions
③
millions of
【单选题】
Nothing but one desk and six chairs ___ in the room.
①
are
②
is stayed
③
is
④
are left
【单选题】
Not only the society but also the people in it ______.
①
has changed
②
have changed
③
have been changed
④
has been changed
【单选题】
People’s hearts ____ the children whose parents died in the accident.
①
went out for
②
went out with
③
went out to
④
went out of
【单选题】
Of these two old people the former has died and the [] is alive and healthy.
①
later
②
latter
【单选题】
Nancy was the only woman to（）the experiment and was among the few volunteers who died from it.
①
participate in
②
shared in
③
joined in
④
enter into
【单选题】
Lindas parents died when she was a baby, and she was __________ by her aunt.
①
turned into
②
raised up
③
grown up
④
brought up
随机题目
【单选题】
若矩阵<img class=jc-formula data-tex={ A }_{ 3\times 4 } src=https://huaweicloudobs.ahjxjy.cn/6D087DF75E2A69BB3235F03B2E53150E.png style=vertical-align: middle;/>有一个3阶子式不为0，则[填空].
①
R(A)=1
②
R (A)=2
③
R (A)=3
【单选题】
设<img class=jc-formula data-tex=A src=https://huaweicloudobs.ahjxjy.cn/53F870B8D448BB3DB08A67264B6329F9.png style=vertical-align: middle;/>为3阶方阵, 且<img class=jc-formula data-tex=\left| A \right| =\frac { 1 }{ 2 } src=https://huaweicloudobs.ahjxjy.cn/3CE387C18674F973BEC9D0486E9CA68F.png style=vertical-align: middle;/>，则<img class=jc-formula data-tex=\left| { 3A }^{ -1 }-2{ A }^{ \ast } \right| = src=https://huaweicloudobs.ahjxjy.cn/C0983C0F70DAF4841731EFEBAF3C799B.png style=vertical-align: middle;/>[填空].
①
16
②
-16
③
8
【单选题】
设A为2级方阵: <img class=jc-formula data-tex=\left| A \right| =2 src=https://huaweicloudobs.ahjxjy.cn/5F65A17F49C328743182B3A80206DC87.png style=vertical-align: middle;/>，则<img class=jc-formula data-tex=\left| -2A \right| src=https://huaweicloudobs.ahjxjy.cn/D4D919815DF8BCB061EDD64451FBDA82.png style=vertical-align: middle;/>=[填空].
①
8
②
-8
③
-4
【单选题】
设<img class=jc-formula data-tex=A,B src=https://huaweicloudobs.ahjxjy.cn/34D561CE3766023EB67E597F39453619.png style=vertical-align: middle;/>都是三阶方阵，且<img class=jc-formula data-tex={ (AB) }^{ 2 }=E src=https://huaweicloudobs.ahjxjy.cn/CF3C5A05DD49E4D2C4432BF912E3CE15.png style=vertical-align: middle;/>,则下列式子中成立的是[填空].
①
<img class=jc-formula data-tex={ (BA) }^{ 2 }=E src=https://huaweicloudobs.ahjxjy.cn/904E1B8F72F98DAE26B671B7A36CDD85.png style=vertical-align: middle;/>
②
<img class=jc-formula data-tex=BA=E src=https://huaweicloudobs.ahjxjy.cn/A9864A3F195467E64982EAF58FB518D3.png style=vertical-align: middle;/>
③
<img class=jc-formula data-tex=AB=E src=https://huaweicloudobs.ahjxjy.cn/F08A2F4546BABA9877B39FBF5A3D7337.png style=vertical-align: middle;/>