This program will operate at（） A: 9 o’clock Monday night B: 19 o’clock Monday night C: 9 o’clock Sunday night

以下哪种情况应优先采取措施？（） A: S=9，O=3，D=3 B: S=3，O=9，D=3 C: S=3，O=3，D=9

以下哪种情况应优先采取措施___。 A: S=9、O=3、D=3 B: S=3、O=9、D=3 C: S=3、O=3、D=9 D: S=5、O=8、D=8

Tom ____（go） to school at 9 o’clock yesterday morning.

lesson 18 Directions: in this part, you are going to listen to five transmissions or short exchanges and choose the correct answer from four choices. A: 9 miles 6 o’clock 9000feet fast moving from left to right B: 9 miles 6 o’clock 9000feet crossing from right to left C: 6 miles 9 o’clock 9000feet fast moving from right to left D: 6 miles 9 o’clock 9000feet crossing from left to right

The hotel serves breakfast at the following time EXCEPT (). A: 6 o’clock. B: 7:30 a.m. C: 9 o’clock. D: 10 o’clock.

青书学堂: Let’s make it round 9 o’clock. ____________

【单选题】O(1) , O(10000logn ), O(n!) , O(nlogn) , O(n 2 ) , O(10 5 n) , O(0.0001n 3 ) , O(2 n ) , O(10 -9 n 3 +2n+100)中时间复杂度最高的是 A. O(n!) B. O(10000logn ） C. O(10 5 n) D. O(2 n )

Shall we meet at the school gate at 9 o clock tomorrow morning? 一

What time is it now? 9 o'clock. A: It B: It's C: It is D: Its