The left building is as [填空] as the right one.

【判断题】

① 正确

② 错误

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【判断题】

答题说明：句子没有语法错误请选择“正确”，有语法错误请选择“错误”This road is wider two metres (米) than that one.

① 正确

② 错误

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【单选题】

He said that his sister ?[填空]been there one week before

① had

② has

③ have

④ will have

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【单选题】

They want a cloth. Give [填空] the blue one，please.

① it

② them

③ us

④ its

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【单选题】

设<img class=jc-formula data-tex=A=\left[ 3\quad -1\\ -6\quad 2 \right] ，B=\left[ 1\quad 2\\ 3\quad 6 \right] src=https://huaweicloudobs.ahjxjy.cn/E8ECB8CFD842759E79B4E4322314F8AD.png style=vertical-align: middle;/>则有

① <img class=jc-formula data-tex=AB=\left[ 0\quad 0\\ 0\quad 0 \right] src=https://huaweicloudobs.ahjxjy.cn/189A00E23E2AF834BDCB39C27A5F842B.png style=vertical-align: middle;/>

② <img class=jc-formula data-tex=AB=\left[ 1\quad 0\\ 0\quad 1 \right] src=https://huaweicloudobs.ahjxjy.cn/3198D8D000E0BB1E9F591FFDEE562423.png style=vertical-align: middle;/>

③ <img class=jc-formula data-tex=AB=\left[ 0\quad 1\\ 1\quad 0 \right] src=https://huaweicloudobs.ahjxjy.cn/4C8F95E028361DED4A35E26CA720D8A5.png style=vertical-align: middle;/>

④ <img class=jc-formula data-tex=AB=\left[ 1\quad 2\\ 3\quad 1 \right] src=https://huaweicloudobs.ahjxjy.cn/FE8F75C8AA963A8CFA7FBD504737391E.png style=vertical-align: middle;/>

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【单选题】

The whole building was ( ) ablaze.

① set

② on

③ in

④ being

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【单选题】

Lucy has been a student there for nearly one and [填空] half years．

① a

② an

③ the

④ /

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【单选题】

设<img class=jc-formula data-tex=\lim _{ x\rightarrow a }{ \frac { f\left( x \right) -f\left( a \right) }{ { (x-a） }^{ 2 } } } =-1 src=https://huaweicloudobs.ahjxjy.cn/E103C96BFF151DAC29E160A4108E93C6.png style=vertical-align: middle;/>，则在点x=a处（）

① <img class=jc-formula data-tex=f^{ \prime }\left( a \right) src=https://huaweicloudobs.ahjxjy.cn/330C7E4F3259C338D457CB2D57CA14F4.png style=vertical-align: middle;/>存在且不为0

② <img class=jc-formula data-tex=f\left( x \right) src=https://huaweicloudobs.ahjxjy.cn/FB6E53A56CB8DA138AA7D1A4EBCF7519.png style=vertical-align: middle;/>取得极大值

③ <img class=jc-formula data-tex=f\left( x \right) src=https://huaweicloudobs.ahjxjy.cn/FB6E53A56CB8DA138AA7D1A4EBCF7519.png style=vertical-align: middle; width: 52px; height: 26px; width=52 height=26/>取得极小值

④ <img class=jc-formula data-tex=f^{ \prime }\left( a \right) src=https://huaweicloudobs.ahjxjy.cn/330C7E4F3259C338D457CB2D57CA14F4.png style=vertical-align: middle;/>不存在

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【单选题】

Before I left on the trip,I [填空]hard and got very fit.

① had trained

② trained

③ train

④ training

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【单选题】

<img class="kfformula" src="20190808/1565256297772060.png" data-latex="\sqrt {\left ( {lg5-1} \right )^{2}}"/>的值等于（）

① <img class="kfformula" src="20190808/1565256297983776.png" data-latex="lg\frac {1} {5}"/>

② <img class="kfformula" src="20190808/1565256297148379.png" data-latex="lg5-1"/>

③ <img class="kfformula" src="20190808/1565256297764160.png" data-latex="lg5"/>

④ <img class="kfformula" src="20190808/1565256297303551.png" data-latex="lg2"/>

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