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【单选题】
The Olympic Games, ______ in 776 B.C., did not include women players until 1912.A.
first playing
B.
first played
C.
to be first played
D.
to be first playing
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反馈参考答案：
举一反三
【单选题】The following sentences test your ability to recognize grammar and usage errors. Each sentence contains either a single or no error at all. No sentence contains more than an error. The error, if there...
A.
incompleteness
B.
notwithstanding
C.
was not guilty
D.
leveled
E.
No error
【单选题】紫外可见分光光度计的基本结构是
A.
单色器→光源→吸收池→检测器→数据记录与处理
B.
单色器→光源→检测器→吸收池→数据记录与处理
C.
光源→单色器→吸收池→检测器→数据记录与处理
D.
光源→单色器→检测器→吸收池→数据记录与处理
【简答题】Directions: Read the following text and finish the exercises with answers written in your own words. Answers Sample : Introductory paragraph: Paragraph... Body paragraph: Paragraph... Concluding parag...
【单选题】Vocabulary in Context 1. In the sentence below, the word equivalent means ______. "Urban legend is the modern-day equivalent of the Paul Bunyan story." (Paragraph 9)
A.
explanation
B.
cost
C.
storyteller
D.
equal
【单选题】紫外可见分光光度计的基本结构是
A.
单色器 → 光源 → 吸收池 → 检测器 → 数据记录与处理
B.
单色器 → 光源 → 检测器 → 吸收池 → 数据记录与处理
C.
光源 → 单色器 → 吸收池 → 检测器 → 数据记录与处理
D.
光源 → 单色器 → 检测器 → 吸收池 → 数据记录与处理
E.
光源 → 检测器 → 单色器 → 吸收池 → 数据记录与处理
【单选题】The following sentences test your ability to recognize grammar and usage errors. Each sentence contains either a single or no error at all. No sentence contains more than an error. The error, if there...
A.
anonymously
B.
inactive students
C.
investigative action
D.
approach a lively person
E.
No error
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