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【单选题】
Just seven years ago, the Texas Legislature prescribed that all high schoolers must pass two math courses and geometry to graduate. This summer, the state reversed course, easing its【C1】______math, science, and social-studies requirements to【C2】______class time for job training. Texas legislators want to create a more【C3】______system that helps students who arent headed to four-year colleges enter the workforce. But that【C4】______carries some risks.【C5】______its true that not all students will go on to college, pulling back on college preparatory coursework has to be【C6】______carefully in a state like Texas, with its hundreds of thousands of low-income and【C7】______students. Theyre the students who would benefit from college the most. New laws in Texas, as well as in Florida, de-emphasize the math class required for【C8】______to four-year colleges. Knowledge of these subjects is considered an indicator of college readiness【C9】______the Common Core standards, which have been【C10】______by 45 states, including Florida. More than half of public-school students in both states are nonwhite and from low-income families. Its particularly【C11】______that these Hispanic and African-American students leave high school qualified to further their e-ducation—【C12】______they dont plan on doing so right away. A college【C13】______is the most important driver of social mobility. By 2020, 65 percent of all jobs will require some kind of postsecondary education according to surveys. 【C14】______speaking, Texass earlier college-prep course-work recommendations didnt fit reality.【C15】______the high bar, only about half of the states high school graduates immediately headed off to college of any kind. 'We wanted to give students and parents more flexibility, to not only be college-prepared—which I think were doing a pretty good job of—but perhaps to【C16】______that preparation to folks who may not be going to college,' Representative Jimmie Don Aycock, who【C17】______the Texas Houses Public Education Committee, says of the revision. The goal isnt to dumb down the curriculum, he says, but to let kids【C18】______a path that might not have been【C19】______to them before. The states educational system still rewards schools when students【C20】______college readiness. 【C1】
A.
special
B.
vital
C.
strict
D.
absurd
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【判断题】日本是世界上人口老龄化最严重的国家。( )
A.
正确
B.
错误
【单选题】( )通常会调查被调查者的人口统计学特征、习惯偏好和行为方式等。通过这种来解决诸如“是什么”的问题,它比探索性调查要更深入、更细致。
A.
探索性调查
B.
描述性调查
C.
因果关系调查
D.
预测性调查
【多选题】描述性调查通常会描述被调查者的( )。
A.
人口统计学特征
B.
习惯偏好
C.
行为方式
D.
消费特征
【简答题】(12分)⑴某一反应体系中有反应物和生成物共5种物质:S、H 2 S、HNO 3 、NO、H 2 O。该反应中还原产物是____;若反应过程中转移了0.3moL电子,则氧化产物的质量是__ g。 ⑵将 a mol Cl 2 通入含 b mol FeBr 2 的溶液中, 当0$amp; a / b ≤1/2 时,反应的离子方程式为:   2Fe 2+ + Cl 2 = 2Fe 3+ + 2Cl - ...
【单选题】有关气相色谱说法错误的是()
A.
GC法按照固定相和流动相所处的状态可分为GSC和GGC
B.
气相色谱法中流动相的流速可以用皂膜流量计在柱后测定
C.
气固填充柱色谱法的分离原理为吸附原理
D.
当固定液品种不同,但△I值均几乎相同时,它们的分离特性也几乎相同
E.
毛细管气相色谱法一般都要加入尾吹气,以便很快到达检测器中。
【单选题】关于Dandy-Walker综合征,下列说法错误的是()
A.
第四脑室极度扩张并向后延伸
B.
后颅凹巨大囊肿并第四脑室呈宽口交通
C.
一侧小脑半球缺如
D.
小脑半球受压,向外侧移位,脑干前移动,枕骨变薄
E.
后颅凹容积增大,窦汇及天幕上抬,并有不同程度的脑积水
【判断题】According to Joe, Sandy needs to restate her opinion in the last paragraph.
A.
正确
B.
错误
【简答题】80℃,101.3 kPa下,用图86装置进行如下实验。A、C两筒内分别装有无色气体,它们可能是NH 3 、O 2 、N 2 、H 2 S、NO、CO 2 等气体,B筒内装有Na 2 O 2 固体,推动A的活塞使A筒内气体缓缓地全部通过B后进入C筒,C筒内气体由无色变为红棕色,但其体积换算成同温同压下却并未变化(不考虑2NO 2 N 2 O 4 )。 图8-6 (1)C中发生的反应,其化学方程...
【单选题】关于Dandy-Walker综合征,下列说法错误的是()
A.
第四脑室极度扩张并向后延伸
B.
后颅凹巨大囊肿并与第四脑室呈宽口交通
C.
一侧小脑半球缺如
D.
小脑半球受压,向外侧移位,脑干前移动,枕骨变薄
E.
后颅凹容积增大,窦汇及天幕上抬.并有不同程度脑积水
【单选题】路中心黄色虚线属于哪一类标线? A、指示标线 B、禁止标线 C、警告标志 D、辅助标线
A.
选择1
B.
选择2
C.
选择3
D.
选择4
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