下列设置打开文件对话框OpenFileDialog1的Filter属性正确的是_________。 A: OpenFileDialog1.Filter=Pictures(*.Bmp)|*.Bmp B: OpenFileDialog1.Filter=["Pictures(*.Bmp)"|"*.Bmp"] C: OpenFileDialog1.Filter="Pictures(*.Bmp)|*.Bmp" D: OpenFileDialog1.Filter={Pictures(*.Bmp)|*.Bmp} E: OpenFileDialog1.Filter=(Pictures(*.Bmp)|*.Bmp)

It is ten o’clock in the morning but he is still____() A: in the bed B: in bed C: on bed

Mother often ______ for me. A: makes a bed B: makes the bed C: makes bed

CaCl2(782℃)，ZnCl2(215℃) 解释熔点不同原因：---------

下列设置打开文件对话框OpenFileDialog1的Filter属性正确的是_________。 A: OpenFileDialog1.Filter=Pictures(*.Bmp)|*.Bmp B: OpenFileDialog1.Filter=["Pictures(*.Bmp)"|"*.Bmp"] C: OpenFileDialog1.Filter="Pictures(*.Bmp)|*.Bmp" D: OpenFileDialog1.Filter={Pictures(*.Bmp)|*.Bmp} E: OpenFileDialog1.Filter=(Pictures(*.Bmp)|*.Bmp)

I didn’t go to______until midnight last night. A: [A] bed B: the bed C: my bed

She always makes ______ after she gets up. A: a bed B: B. the bed C: C. bed

I’m very lazy. In the morning I never ______. ( A: do my bed B: have my bed C: arrange my bed D: make my bed

劳动力需求缺乏弹性表示为（）。 A: AEd＞2 B: BEd＜2 C: CEd＞1 D: DEd＜1

1. The phrase "in bed" is pronounced as __________ in real speech. A: / ɪnˈbed/ B: / ɪmˈbed / C: / ˈɪnbəd/ D: / ˈɪmbəd /