皮皮学,免费搜题
登录
搜题
【单选题】
由肺泡II型细胞生成的是
A.
表面活性物质
B.
胸膜腔内压
C.
肺内压
D.
弹性阻力
E.
顺应性
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】— We heard that some students got injured in this school bus accident in our province. — Yes, _____news came as _____shock to all of us. [     ]
A.
/; /
B.
/; a
C.
the; /
D.
the; a
【单选题】下列程序的执行结果为( )。 n=0 j=1 Do Until n>2 n=n+1 j=j+n*(n+1) Loop Print nj
A.
0 1
B.
3 7
C.
3 21
D.
3 13
【单选题】Who is the audience?
A.
Professors.
B.
The employees of the university.
C.
New students.
D.
The new teachers of the university.
【单选题】【C3】
A.
Although
B.
If
C.
Unless
D.
Until
【简答题】Part 2 Read the passage and match the paragraphs with the subtitles below.
【单选题】______ the heat to a simmer and continue to cook for another 8~0 minutes or until most of the water has evaporated.
A.
Turn off
B.
Turn over
C.
Turn down
D.
Turn up
【简答题】Match the paragraphs with their main ideas.
【简答题】(14分)碳和氮的许多化合物在工农业生产和生活中有重要的作用。 (1)用CO 2 和H 2 合成CH 3 OH具有重要意义,既可以解决环境问题,还可解决能源危机。已知: + = + 2 △H = -725.5 kJ·mol -1 2H 2 (g)+O 2 (g) = 2H 2 O(l) △H = -565.6 kJ·mol -1 , 请写出工业上用CO 2 和H 2 合成CH 3 OH(l)的热化...
【判断题】利用空白设计法属于极简设计法。
A.
正确
B.
错误
【简答题】Match the paragraphs with the statements best sumarize their general ideas.
相关题目: