搜题请搜索小程序“爱下问搜题”
问题 单项选择题

在齿轮热处理加工中，轮齿材料达到（）状态时，将有利于提高齿轮抗疲劳强度和抗冲击载荷作用的能力。

A.齿面硬、齿芯脆

B.齿面软、齿芯脆

C.齿面软、齿芯韧

D.齿面硬、齿芯韧

答案

参考答案：D

填空题


Questions 16-22
· Look at the notes about an enterprise.
· Some information is missing.
· You will hear part of a presentation by the International Manager of the company.
· For each question, fill in the missing information in the numbered space, using one or two words.
· You will hear the presentation twice.

Honeybee Foods Corporation
Honeybee started originally as (16) an ______ parlor
The company’s name came from(17) TTC’ s vision of employees working
like ______
Honeybee’s philosophy (18) “______”
Up to 1985, Honeybee had(19) ______ chains in the Philippines
In its international expansion, the successful chains were in (20) ______
The chain store of Honeybee in Singapore was(21) ______
In the future Honeybee should (22) ______ step by step.
查看答案
单项选择题 A1/A2型题

利用光动力学作用治疗恶性肿瘤的方法有（）

A.体表

B.组织间

C.腔内照射

D.综合治疗

E.以上都是
查看答案