15“I’mafraidyoucannotsmokeinthisroom.”用于提示客人房内不能吸烟（）

采用水准仪进行监测时，应对水准仪i角（水准仪视准轴与水准管轴的夹角)进行检校。监测等级为一级时，i角不应大于（);监测等级为二级时，i角不应大于（);监测等级为三级时，i角不应大于（)。

What with playing tennis together and sharing bedrooms until I was 15,Serena and I have always been close.（注意what with的意思。)

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I类反光膜逆反射系数RA值表中，每个观测角对应的人射角有（)。

用于一、二等水准测量的仪器，其i角不得大于15″;用于三、四等水准的仪器，不得大于()。

如[例15]图所示圆形断面,设圆的半径为r,水深所对应的圆心角为0,渠道中的水深为h₀,底坡为i
如[例15]图所示圆形断面,设圆的半径为r,水深所对应的圆心角为0,渠道中的水深为h₀,底坡为i,粗糙系数为n,试导出流量的计算公式.


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一分路电流为15安培时，分路电阻为20奥姆，则此分路之功率是多少（提示：P=I2R式中，P为功率，I为电流，R为电阻)（)
A.15W(瓦)
B.20W(瓦)
C.4，500W(瓦)
D.6，000W(瓦)

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下列关于饰面清水混凝土原材的叙述中错误的是()。

（i)在含有一个内生解释变量、一个外生解释变量和一个外生变量的模型中，将y₂的约简型教材（15
(i)在含有一个内生解释变量、一个外生解释变量和一个外生变量的模型中，将y₂的约简型教材(15.26)代入结构方程教材(15.22)。便得到y₁的约简型为：

求以β_j和π_j表示的a_j。
(ii)求以u₁，u₂和参数表示的约简型残差v₁。
(iii)你如何一致地估计α_j？

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编译和运行以下程序结果为：1: public class Q21 {2: int maxElements;3: void Q21（) {4: maxEl
编译和运行以下程序结果为：
1: public class Q21 {
2: int maxElements;
3: void Q21() {
4: maxElements = 100;
5: System.out.println(maxElements);
6: }
7: Q21(int i) {
8: maxElements = i;
9: System.out.println(maxElements);
10: }
11: public static void main(String[] args) {
12: Q21 a = new Q21();
13: Q21 b = new Q21(999);
14: }
15: }
A. 输出100 和 999.
B. 输出999 和 100.
C. 第2行出现编译错误,变量 maxElements未初始化.
D. 12行出现编译错误.

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男，15 岁。心悸、多汗、手颤 2 个月。无明显突眼。甲状腺 I 度弥漫性肿大。血游离 T3、T4增高，TSH 降低，肝、肾功能正常，血 WBC6.8×109 ／L。诊为甲亢，既往无甲亢病史。治疗选择（)
A 放射性核素 131I 治疗
B 甲状腺次全切除术
C 抗甲状腺药物治疗
D 抗甲状腺药物治疗后手术治疗
E 理疗

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My brother, Henry, has an excellent job at a bank. I couldn't （) him （) he told me t
My brother, Henry, has an excellent job at a bank. I couldn't () him () he told me that he had decided to give it (). Though I tried to make him () his mind, I failed (). “You should reconsider your decision,” I said. “You have already spent five years () the bank and you could have a wonderful (). You might become a band manager () the time you’re thirty -five.” “I know,” Henry answered. “I've got no complaints () the bank. It’s a () job in pleasant surroundings and we keep civilized hours. The bank manager told me that my () were excellent. ” “Then why do you want to leave？” I (). “It's () money.” Henry said. “But you're getting a good ().”I answered. “ I don't () that.” Henry said. “ What do I do at the bank？ Well, at the moment () I do is to count money. I find it very (). ” “What's depressing about counting money？” I asked, unable to () the logic of Henry’s argument. “You don't understand,” Henry answered. “ I enjoy () my own money, () I hate counting other people's! ”
1、A) understand B) believe C) trust D) remember
2、A) when B) then C) since D) that
3、A) away B) off C) up D) in
4、A) to change B) change C) changing D) changed
5、A) completely B) fully C) wholly D) certainly
6、A) on B) for C) to D) in
7、A) job B) work C) career D) profession
8、A) by B) at C) on D) during
9、A) of B) to C) with D) at
10、A) good B) excellent C) enjoyable D) pleasing
11、A) prospects B) futures C) outcomes D) results
12、A) said B) exclaimed C) claimed D) declared
13、A) some B) a C) the D) \
14、A) money B) wage C) salary D) payment
15、A) think B) consider C) mean D) care
16、A) that B) which C) how D) all
17、A) boring B) dull C) interesting D) depressing
18、A) realize B) recognize C) follow D) know
19、A) counted B) to count C) count D) counting
20、A) though B) but C) although D) instead

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