左下图为张玲同学的脸庞外形和大小,通过凸透镜看她的脸庞时,不可能看见的像为下图中

题型:选择题

问题:

左下图为张玲同学的脸庞外形和大小,通过凸透镜看她的脸庞时,不可能看见的像为下图中的(  )

A.

B.

C.

D.

考点:平面镜成像的特点和原因
题型:选择题

文艺复兴时期人文主义思想的主要代表人物有尼德兰的__________。

题型:选择题
阅读下列内容,从每小题所给的四个选项中选出一个最佳答案。
Here is an advertisement about two-day tour between Hong Kong and Macao.
                                  Two-day tour between Hong Kong and Macao
Date:
July 15 th ~16 th
Travel: Sightseeing bus in the city and the ship/boat/speedboat (快艇) between Hong Kong and Macao
Places to visit:
            Hong Kong: Ocean Park and Victoria Peak
            Macao: Mazu Temple, the Ruins of St. Paul
Cost: HK $600, including travel, three-star hotel, meals and admission tickets. 40% off for students or
          children under 1.4 m in height.
          For more information, call 852 3881 3502 or 852 3882 3503.
     Bill is a student in Beijing Sunshine Secondary school. Last week he joined the two-day tour between
Hong Kong and Macao with his parents. 
1. Bill enjoyed the beautiful views(风景) in the city by _____ last week.
A. ship
B. boat
C. bus
D. speedboat
2. In Hong Kong you can visit _____.
A. Victoria Peak
B. Mazu Temple
C. the Ruins of St. Paul
D. Moon lake
3. The tour cost Bill's family _____.
A. HK $1,800
B. HK $1,560
C. HK $1,320
D. HK $1,080
题型:选择题

下列环境不可能成为生物栖息地是(  )

A.水圈

B.岩石圈

C.大气圈

D.真空

题型:选择题

电子商务应用系统通常包含CA安全认证系统、______、业务应用系统和用户及终端系统。

题型:选择题

在胸片上可见肺部大血管周围呈串珠样透亮区,此外,在纵隔处还有一透亮区并伴有皮下气肿,这种检查结果可见于()

A.大疱性肺气肿

B.阻塞性肺气肿

C.瘢痕性肺气肿

D.间质性肺气肿

E.肺梗死

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