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【单选题】
为探究某药物 Q 对细菌性疾病的治疗是否与机体免疫力的增强有关,某科研小组将患细菌性疾病小鼠随机分为 a 、 b 、 c 组, a 组注射一定量药物 Q , b 组注射等量生理盐水, c 组注射等量的免疫增强剂,实验结果如图所示,下列有关叙述错误的是A.
吞噬细胞仅在非特异性免疫中发挥作用
B.
药物 Q 能够增强小鼠的非特异性免疫功能
C.
药物 Q 可通过促进 T 细胞数量的增加来增强特异性免疫功能
D.
免疫增强剂可增强吞噬细胞的吞噬能力
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【单选题】Cuando me dijo Juana que ya estaba el peluquero, me quedé asombrada porque
A.
era un hombre muy feo.
B.
nunca había estado en la casa ningún peluquero.
C.
era mamá la que siempre le cortaba el pelo a Celia.
【简答题】For this part, you are allowed 30 minutes to write a short essay entitled Should Colleges Ban House Help. You should write at least 150 words following the outline given below in Chinese. 1．越来越多的大学生请钟...
【单选题】When it comes to SAT scores, we should encourage colleges and universities______.
A.
to rely on the scores of the Scholastic Aptitude Test
B.
to admit qualified students only to met their goals
C.
to make the best use of test scores without quotas
D.
to consider relevant factors that support diversity
【单选题】Con el_____ de la barca se me perdió el_____
A.
vaivén, limpiauñas
B.
vaivén, limpiaúñas
C.
vaiven, limpiauñas
D.
vaiven, limpiaúñas
【单选题】When it comes to SAT scores, we should encourage colleges and universities
A.
to rely on the scores of the Scholastic Aptitude Test.
B.
to admit qualified students only to met their goals.
C.
to make the best usc of test scores without quotas.
D.
to consider relevant factors that support diversity.
【单选题】Most colleges believe students should ______ to tuition costs, something that is common elsewhere in the world but would mark a revolutionary change in Britain.
A.
distribute
B.
assist
C.
contribute
D.
attribute
【单选题】Ms Orebi thinks that in the future, colleges should provide more ______.
A.
practical work experience
B.
group learning situations
C.
formal examinations
【简答题】Specialties in colleges and universities should be adjusted ______________(以适应社会需要).
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