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【单选题】
It can be inferred from the passage that many zoologists assume that a large diversity among species of a given class of organisms typically leads to which of the following?A.
Difficulty in classification.
B.
A discontinuous fossil record.
C.
A greater chance of survival over time.
D.
Numerical abundance.
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【简答题】简述物流增值服务的基本内容。
【单选题】--- ______________ Vincent _______________ to eat too much junk food? --- Yes. But now he ________________ too much junk food any longer.
A.
Has… been used; hasn't eaten
B.
Did…use; doesn't eat
C.
Will…be used; didn't eat
D.
Is… used; won't eat
【简答题】汽车使用经济寿命的长短,主要受到汽车 和 的影响
【单选题】Now, Vincent is going to __________
A.
quit smoking
B.
gain weight
C.
open an Italian resaurant
【判断题】汽车物理使用寿命、汽车经济使用寿命和汽车折旧使用寿命三者的关系为:汽车物理使用寿命<汽车折旧使用寿命<汽车经济使用寿命。< /div>
A.
正确
B.
错误
【单选题】对盆腔炎性肿块鉴别诊断的描述,下列哪一项不正确
A.
主要应与宫外孕，子宫内膜异位症鉴别
B.
子宫内膜异位症肿块大小随月经周期有变化
C.
宫外孕破裂时，常表现有急腹症
D.
慢性盆腔炎一般不与功能性卵巢囊肿同时存在
E.
要注意与正常充液肠袢鉴别
【单选题】My watch () at nine o’clock, but now it ().
A.
went; stopped
B.
went; is stopping
C.
was going; stopped
D.
was going; has stopped
相关题目：
【单选题】Now, Vincent is going to __________
A.
quit smoking
B.
gain weight
C.
open an Italian resaurant