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【单选题】The applicant's work experience is closely related with _____.
A.
biotechnology
B.
literature
C.
history
D.
science
【简答题】耐火材料的化学组成包括 _和_。
【简答题】莫来石质耐火材料的主要化学组成包括 和
【简答题】埃博拉 出血热是由埃博拉病毒引起的。该病毒通常通过血液和其他体液等途径传播。许多国家先后开展了疫苗的研制工作。根据以上信息和所学知识回答下列三个小问题: ( 1 )埃博拉病毒变异快、不断出现新的属种,主要原因是病毒结构中的 发生改变。 ( 2 )疫区的人们采取了以下措施,其中属于切断传播途径的是 (填代号)。 1 隔离病人 2 使用一次性口罩、手套和防护服 3 接种疫苗 4 用紫外线、福尔马林等对...
【单选题】Which of the following is true according to the talk you've just heard?
A.
The applicant's previous company was a joint venture.
B.
The applicant's salary in his new company is 1, 500 dollars a month.
C.
He will start to work in the new company the next Monday.
D.
The applicant will be better paid in the new company.
【简答题】Conversation How many people are there in the applicant's family? 1______ Where did she work before? In a 2______ factory. What's the entrance salary? It's as in the 3______ When will she get the annu...
【简答题】（15分）50mL 0.5mol/L的盐酸与50mL0.55mol/L的NaOH溶液在右图所示的装置中进行中和反应。通过测定反应过程中所放出的热量可计算反应热。 请回答下列问题： （1）从实验装置上看，图中尚缺少的一种玻璃用品是 ；（由图可知该装置有两处不妥之处：（1） 。（2 ） 。 （2）烧杯间填满碎塑料泡沫的作用是＿＿＿＿＿＿＿＿。 （3）大烧杯上如不盖硬纸板，则求得的反应热数值＿＿＿。（填...
【单选题】关于“表面热处理”下列说法正确的有( )
A.
通过对金属材料进行表面热处理,使零件表面具有高的硬度和耐磨性,而心部则保持其本身的塑性和韧性。
B.
常用的表面热处理方法包括表面淬火和表面化学热处理;
C.
表面淬火只改变表面组织而不改变表面成分;表面化学热处理可同时改变表面组织和成分。
【单选题】Choose the best sentence to present an applicant's skills in an application letter.
A.
I took classes in business at the local college, and I learned the skills needed to perform well in any business setting.
B.
I really enjoy and excel at teamwork, but I work well independently too.
C.
Helping customers has been a pleasure in previous jobs, and serving your customers would be equally rewarding.
D.
If I didn't know better, I would swear this job had been written precisely for me because the description exactly matches my skills and experiences.
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