按照布卢姆的教育目标分类学，综合是指把各种要素和组成部分组合成一个（）。

阅读对话，判断正(T)误(F)。

      It's sunny today. The sky is blue. Lily and Mike are in the park now.

Lily: Oh, it's beautiful! I want to take a picture here. May I have your camera?

Mike: Sure. May I take your picture?

Lily: OK, thank you.

Mike: One, two...OK. Please have a look.

Lily: Very nice! I like this photo. Thank you very much.

( ) 1. Today is snowy.

( ) 2. The camera is hard for Mike.

( ) 3. Lily and Mike are in the park.

( ) 4. Lily doesn't like the photo.

横断面研究中，因为危险因素和疾病同时存在，而很难确定危险因素与疾病之间是否存在因果关系，这时容易产生的偏倚是（）。

A.混杂偏倚

B.伯克森偏倚

C.时序模糊偏倚

D.选择偏倚

E.特发性偏倚

慢性支气管炎急性发作伴细菌感染时，最主要的临床表现是（）。

A.咳嗽加重

B.咳白色泡沫痰与黏液痰

C.咳脓性痰且痰量增加

D.肺部有哮鸣音

E.肺底部有细湿啰音

下列程序实现的功能是：当在窗体上单击时，把C盘根目录下的文件a1.txt，复制到 D盘，并取名为a2.txt。 Private Sub Form_Click() Dim Ch As String Open "c:\a1.txt" For 【8】 As #10 Open "d:\a2.txt" For Output As #20 Do While 【9】 Line Input #10, Ch 【10】 Loop Close #10 Close #20 End Sub

未穿救生衣的落水者采取仰浮姿势是最适宜的漂浮姿态。