【名词&注释】
基本内容(basic content)、发达国家、完形填空(cloze test)、增长速度(growth rate)、现在完成时(present perfect)、夹竹桃科(apocynaceae)、叶绿体结构(chloroplast structure)、大幅度提高(greatly improve)、举世瞩目(stupendous)、中国的国际地位(china ' s international status)
[多选题]下列科中具乳汁的有( )。
A. 夹竹桃科
B. 萝藦科
C. 茄科
D. 旋花科
E. 唇形科
查看答案&解析
点击获取本科目所有试题
举一反三：
[单选题]完形填空（共20小题；每小题1.5分，满分30分）阅读下面短文，从短文后各题所给的四册选项（A、B、C、D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
A. Most people give little thought to the pens they write with , especially since the printers in modern homes and offices mean that very 36things are handwritten .All too often,people buy a pen based only on37,and wonder why they are not satisfied 38 ,they begin to use it ,However, buying a pen that you’ll enjoy is not 39 if you keep the following in wond.
B. First of all, a pen should fit comfortably in your hand and be 40 to use .The thickness of the pen is the most important characteristic(特征)41comfort. Having a small hand and thick fingers, you may 43 a fatter pen .The length of a pen can 44 influence comfort. A pen that is too45 can easily feel top-heavy and unstable.
C. Then, the writing point of the pen should 46 the ink to flow evenly(均匀的) while that pen remains in touch with the paper 47 will make it possibly for you to creat a 48 line of writing .The point should also be sensitive enough to 49 ink from running when the pen is lifted.A point that does not block the 50 may leave drops of ink, 51 you pick the pen up and put it down again.
D. 52 ,the pen should make a thick , dark line. Fine-line pens may 53 bad handwriting, but fine, delicate lines do not command 54 next to printed text ,as ,55, a singnature on a printed letter .A broader line, on the other hand ,gives an impression of confidence and authority (权威)。
E. 36_______
F. many
G. few
H. pleasant
I. important
[单选题]百合胚囊发育属于( )。
A. 单孢型
B. 双孢型
C. 四孢型
[单选题]The last sentence“And everyone knows what happens next”implies that in such cases ．
A. farm animals will be in danger and have to be shipped away
B. woIves will kill people and people will in turn kill them
C. wolves wilI find enough food sources on famls
D. people will leave the areas where wolves can live
[单选题]Up to now, the program ________ thousands of children who would otherwise have died.
A. would save
B. saves
C. had saved
D. has saved
[单选题]
A. means
B. ends
C. begins
D. proves Ks5u
[单选题]
A. courses
B. benefits
C. challenges
D. features
[单选题]种脐是种子脱离果实时留下的痕迹，种孔是珠孔留下的痕迹。( )
A. 正确
B. 错误
[单选题]绿藻细胞中的载色体和高等植物的叶绿体结构(chloroplast structure)类似。( )
A. 正确
B. 错误
[单选题]依次填入下面一段文字横线处的语句，衔接最恰当的一组是近几十年来____，____，___，____，____，____，_________。随着中国国力的增强，关于中国的国际地位(china s international status)、作用和责任的讨论方兴未艾。
A. ①也高于同时期世界的平均水平
B. ②中国日益成为世界关注的焦点
C. ③现代化建设取得了举世瞩目(stupendous)的成就
D. ④中国的综合实力大幅度提高(greatly improve)
E. ⑤尽管对增长的原因有不同的看法，然而谁也无法否认增长的事实
F. ⑥中国经济的增长速度远远高于发达国家
G. ②④③⑥①⑤
H. ②⑤⑥③④①
I. ⑥⑤④②③①
J. ⑥①②④⑤③
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