更多"The species of black spiders discov"的相关试题:
[单项选择]The selection says that spiders have been discovered ______.
A. five miles above earth
B. more than 2000 feet underground
C. everywhere that man has reached
D. both A and B
[单项选择]Spiders "hold their planetary seat with assurance" because they are ______.
[单项选择]The author thinks that spiders ______.
A. rival man as master of the earth
B. are as firmly established on the earth as man
C. are more vigorous than man
D. are more firmly established on the earth than man
[单项选择]According to the passage, heat from Mount Rainier's summit craters rises from ______.
A. crystalline ice
B. firns
C. chambers
D. fumaroles
[单选题]在低空重要天气图中的MOUNTAINOBSCURATION表示（）。
A.山区有强烈风切变
B.山地情况不明
C.山地有较重降水现象发生
D.山地能见度小于5km
[单项选择]Many ______ trees should be planted on the mountains.
A. thousand
B. thousand of
C. thousands of
[单项选择]It was（）he was ill that he did not go to Mount Tai with us in our summer vocation.
A. because
B. as
C. since
D. though
[单项选择]They would not ______ us when we climbed the mountains.
A. come up with
B. come down with
C. put up with
D. stand in with
[单项选择]Black把窝洞分为( )
A. 2类
B. 3类
C. 4类
D. 5类
E. 6类
[单项选择]He seems to be ______ enough to climb to the mountain top in an hour.
A. radiant
B. conspicuous
C. conscientious
D. energetic
[单项选择]BlACK分类法是依据 （）
A. 龋坏范围
B. 窝洞所在牙面
C. 龋坏所在部位和制洞特点
D. 以上都不是
E. 都不正确
[单选题]It is in 1960 （） Chinese first put out flag on Mount Qomolangma.
A.when
B.that
C.which
D.in which
[单项选择]Black分类中Ⅱ类洞是指
A. 发生在前牙邻面龋损所制备的洞
B. 发生在前牙邻面已包括切角缺损所制备的洞
C. 发生在后牙邻面龋损所制备的洞
D. 发生在前牙舌面龋损所制备的洞
E. 发生在后牙颊、舌面龋损所制备的洞
[单项选择]当使用mount进行设备或者文件系统挂载的时候，需要用到的设备名称位于（）目录。
A. /home
B. /bin
C. /etc
D. /dev
[单项选择]Black Americans could not easily mix in American society because______.
[单项选择]Today black children in South Africa are still reluctant to study subjects from which they were effectively barred for so long.
A. anxious
B. curious
C. opposed
D. unwilling
[单项选择]Black people were first brought to America from Africa as ______.
A. workers in factories
B. cotton pickers
C. migrants
D. slaves
