已知函数f(x)=2sin(13x-π6),x∈R.(1)求f(0)的值;(2)

题型:解答题

问题:

已知函数f(x)=2sin(
1
3
x-
π
6
),x∈R.
(1)求f(0)的值;
(2)设α,β∈[0,
π
2
]
,f(3α+
π
2
)=
10
13
,f(3β+
π
2
)=
6
5
.求sin(α+β)的值.
考点:两角和与差的三角函数及三角恒等变换
题型:解答题

下列哪些属于以情感陶冶(体验)为主的教学方法()。

A.情境教学法

B.发现法

C.欣赏教学法

D.激励法

题型:解答题

新生儿败血症最常见的感染途径是()

A.宫内

B.产道

C.脐部

D.呼吸道

E.消化道

题型:解答题

关于重症肌无力危象的表述错误的是()

A.均与肺部感染或过度疲劳有关

B.常因抗胆碱酯酶药量不足引起

C.可用滕喜龙试验鉴别

D.死亡率高,需进行重症监护

E.胸腺切除术可诱发

题型:解答题

The other day my brother Tom was beginning his 56.______
motorbike then our neighbor, Mary came out and asked 57.______
him if he was going near the station. So he offered her a lift.
She got at the back of the motorbike and 58.______
they drove away. Just before they reached to the station 59.______
a policeman waved to them to stop. "Excuse me, sir," he said,
"You are not sitting on that motorbike properly. "
"What’s matter with the way I’m sitting" my brother 60.______
asked in surprise. "Not you sir. It’s a young lady," said 61.______
the policeman, "In this country side-saddle(偏座) is not62.______
permitted when one ride a motorbike.”Mary made an excuse 63.______
that she was from Italy,where it isn’t.considering to 64.______
break the law when people take the side-saddle.
The policeman shook head and drove away. 65.______

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出现喷孔时,必须切断电机(),停止钻进,撤离人员。

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