△ABC中,∠B=38°,∠C=72°,AD为∠BAC的平分线,AF为BC边上的高,求∠DAF的度数。
完成下列英语句子,每空一词
①几点了? What____ is it?②今天星期几? What ____ is it today?③你今天上什么课? What are your ____today? ④今天上午我们有三节最喜欢的课。 We have three ____ lessons this morning. ⑤我们九点半上语文课,你呢? We____ Chinese lesson____ half past nine, ____ ____ you?⑥你们什么时候上语文课? ____ ____ your Chinese lesson?
⑦今天我们不上数学课。 Today we ____ have maths lesson.⑧现在是八点半。 It's ____ ____ ____ now.
下列代数式中,值一定是正数的是( )
A: Excuse me. Is there a ____ near here?
B: Yes, there is.
A: Where is it?
B: It's ____the science museum.
A: Is it____
B: No, it isn't. Go straight to the first crossing and then turn ____
A: OK. I'll ____there. Thanks.