网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
The bell rang ___________ I had time to look over my examination paper.
A. until
B. when
C. as
D. before
参考答案
更多 “ The bell rang ___________ I had time to look over my examination paper. A. untilB. whenC. asD. before ” 相关考题
考题
Heather: Look, I've got a problem here. Will you help me?Rebecca: , but I'll try.A． No, I won'tB． I'm really willing toC． Yes, I'm gladD． I'm not sure if I can
考题
I _____my breakfast at 8, but_____ I lunch yet. .A. had, haven't hadB. had, didn't haveC. have had, didn't have
考题
How did the guests know the party was over?
A、there was an alarm clockB、the host was giving them the “Look, I’m washing the dishes now” hintC、People began to yawnD、there was no wine to drink any more
考题
—Why didn't you go to the cinema yesterday?—I______, but my daughter returned from America the moment I was leaving.A. didB. wouldC. was going toD. had
考题
接上题，下列代码实现对闹铃音的控制： assign alarm_time=stop_bell？（time_equ （（（Second[0]==1'b1) clk_500) || （（Second[0]==1'b0) clk_1k))):1'b0; 这个表述可以改写为（）。A.if (stop_bell==1'b1) begin case(Second[0]) 1'b1:alarm_time=clk_500; 1'b0:alarm_time=clk_1k; default:alarm_time=1'b0; endcase end else alarm_time=1'b0;#B.if (stop_bell) if(!time_equ) begin case(Second[0]) 1'b1:alarm_time=clk_500; 1'b0:alarm_time=clk_1k; default:alarm_time=1'b0; endcase end else alarm_time=1'b0; else alarm_time=1'b0;#C.if (stop_bell==1'b1) if(time_equ) begin case(Second[0]) 1'b1:alarm_time=clk_500; 1'b0:alarm_time
热门标签
最新试卷