设a={-1，1，2)，b={3，0，4}，则向量a在向量b上的投影为

(1)【◆题库问题◆】：[单选] 设a={-1，1，2)，b={3，0，4}，则向量a在向量b上的投影为

【◆参考答案◆】：B

(2)【◆题库问题◆】：[单选,材料题] 回答下面的题目Eggs are my favorite fooD．I likethem 21 ，hard-boiled，scrambled，or poacheD．I eat eggsfor22 ，lunch，and dinner．I eat eggshere，there，and everywhere!Eggs taste great．You can eat them by 23 or as part of any meal．Eggsare 24 used as an ingredient in many prepared foods．Can youthink of any foods that contain25 ?Eggs are really a perfect fooD．They are26 in most of the nutrients we need to maintain good 27 ．When a baby chicken develops 28 an egg，the egg29 and yolk are the only foods they neeD．Many people believe that eggs are 30．They pointout that eggs contain a very high amount of cholesterol(胆固醇)．Too31 of one kind of cholesterol in our blood can cause heart diseasE．There is no evidence that eggs 32 the harmful cholesterol in our blooD．When we eat foodsthat are33in cholesterol，our bodies make 34of it to balance，or adjust．If you want to enjoy a tasty and healthy fooD．eat plentyof35
A．decrease
B．bring
C．take
D．raise

【◆参考答案◆】：D

【◆答案解析◆】：根据前面所说，鸡蛋有很高的胆固醇。那么食用后，会增加血液中的胆固醇。但这段说，没有证据证明这一点，即提高血液中的胆固醇，而不是降低。选项D是正确的。

(3)【◆题库问题◆】：[单选] <白雪歌送武判官归京>本诗属于（　　） 歌行体七绝律诗杂言诗
A．歌行体
B．七绝
C．律诗
D．杂言诗

【◆参考答案◆】：A

(4)【◆题库问题◆】：[多选] 下列关于良性肿瘤特点的叙述，正确的是（　　）
A．呈膨胀性扩展
B．肿瘤边界清楚
C．细胞形态变异较小
D．不危及生命
E．晚期可发生转移

【◆参考答案◆】：A,B,C

【◆答案解析◆】：略

(5)【◆题库问题◆】：[单选] 心室肌的前负荷取决于（　　）
A．收缩末期的心室容积
B．快速射血期的心室容积
C．等容舒张期的心室容积
D．快速充盈期的心室容积
E．舒张末期的心室容积

【◆参考答案◆】：E

【◆答案解析◆】：略

(6)【◆题库问题◆】：[多选] 临床上对疑有真菌性败血症应做哪些检查（　　）
A．抽髓培养
B．尿培养
C．血培养
D．眼底镜检查
E．血涂片检查

【◆参考答案◆】：B,C,D

【◆答案解析◆】：略

(7)【◆题库问题◆】：[单选] 依次填人下列句子中最恰当的一组词是(　　)①嗜血成性的敌人仗着他们人多，工事坚固，一步不退，拼命______。 ②一个老农捧起一把泥土，仔细______，想鉴定它究竟适宜种植什么谷物和蔬菜。 ③下午便得到噩耗，说是卫队居然开枪，死伤至数百人，而刘和珍在______之列。 ④掐线工人心里有谱，不用在铜胎上打稿，就能______地粘成图画。
A．抵抗端详遇难随意驱遣
B．抵抗审度遇害自由自在
C．顽抗审度遇难自由自在
D．顽抗端详遇害随意驱遣

【◆参考答案◆】：D

(8)【◆题库问题◆】：[单选]新中国成立初期，国内的主要矛盾是
A．帝国主义和中华民族之间的矛盾
B．工人阶级和资产阶级之间的矛盾
C．封建主义和民主主义之间的矛盾
D．生产力和生产关系之间的矛盾

【◆参考答案◆】：C

(9)【◆题库问题◆】：[单选] 《我爱这土地》一诗着力刻画的象征性形象是（　　）
A．鹰;
B．土地;
C．鸟;
D．暴风雨

【◆参考答案◆】：C

(10)【◆题库问题◆】：[单选,材料题] __________根据以下内容，回答下面的题目。Investors can _51_ money simply by loaningit．The money they loan is called capital．Security (担保) is anexpensive item which the borrower mortgages (抵押) to the investorto show that he intends to _52_ the debt．The way investorsmake money on loans is to charge interest．Interest is moneythat _53_ pay to investors for the use of their money．Interest isusually a certain percentage of the capital．Investors sometimes_54 ten percent or more interest per year．The interest may becalculated daily, monthly, or yearly．The interest must be_55_ before the capital can be repaiD．If the interest isnot _56_ the agreed rate, the interest is added _57_ the capital．Then theborrower has _58_ pay interest on the unpaid interest _59_ on the capital．A debt cangrow quickly this way．If the total of the capital and accumulated interest gets too high,the investor will take _60_ of the item used as security and sell it to get hismoney back．__________
A．cost
B．ask
C．charge
D．change

【◆参考答案◆】：C